Experimental research design
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This document defines experimental research design and discusses its purpose and function. An experimental research design is a blueprint that allows researchers to test hypotheses about relationships between independent and dependent variables. The main purposes of research design are to provide maximum relevant information to the problem being studied, maximize experimental variance while controlling extraneous variance and minimizing error variance to produce unambiguous results. A good research design answers research questions as objectively, validly and accurately as possible by suggesting how to collect data, control variables, manipulate variables and analyze results statistically.
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Research Design PPT
Description about;
what is research design, need of research design, importance, how it is helpful,definition of research design,classification of research design, types of research design, likewise
exploratory research, conclusive research design, descriptive research, casual research, cross sectional research, longitudinal research.
how many types of research design brief notes and knowledge about all types of research design.
Research design
This document discusses different types of research design. It defines research design as a plan or strategy to obtain answers to research questions while controlling variance. The key elements of research design include the problem, methodology, data gathering, analysis, and reporting. Different types of designs covered include historical, descriptive, developmental, exploratory, case study, correlational, causal comparative, experimental, and quasi-experimental. The purpose, process, and considerations for each design type are outlined.
Research design
This document discusses research design, which is the plan or blueprint for how a research study will be conducted. It outlines key components of research design including sampling design, observational design, statistical design, and operational design. Some important concepts discussed are dependent and independent variables, extraneous variables, experimental and control groups, and treatments. Different types of research designs are covered for exploratory research, descriptive/diagnostic research, and hypothesis-testing research. Research design aims to allow for relevant and economical collection and analysis of data to address the research problem.
New PPT Research design
Research design provides a framework or blueprint for conducting research projects. It involves outlining how data will be collected and analyzed to answer research questions. There are two main types of research design: exploratory and conclusive. Exploratory research is aimed at gaining insight and understanding about a problem using flexible questions, while conclusive research uses formal, structured questions to provide statistical evidence to make decisions. Conclusive research includes causal research, which determines relationships between factors, and descriptive research, which describes market characteristics. Descriptive research can be cross-sectional, collecting a single snapshot of data, or longitudinal, collecting repeated data from the same sample over time.
Scientific Research Introduction | Steps to Conduct Scientific Research | Hal...
Scientific Research Introduction | Steps to Conduct Scientific Research | Hallmarks of Scientific Research |
5. the research design
The document outlines the key elements of a research design, including: 1) The purpose of the study, such as exploration, description, or hypothesis testing; 2) The type of investigation into causal relationships or correlations; 3) The level of researcher interference which can be minimal or involve manipulation; and 4) Attributes of the study like the setting, units of analysis, and time horizon which can examine individuals, groups, or cultures across a single or multiple periods.
Research Design
The document outlines key aspects of research design including objectives, data collection methods, sampling, and analysis. It discusses three primary methods of data collection: observation, surveys, and experimental. Observation involves directly observing behaviors without questions, while surveys can be structured or unstructured. Experimental research tests hypotheses by manipulating variables. Sample design determines who to survey, how many people, and the sampling method, which could be probability-based or nonprobability. The goal of research design is to efficiently collect relevant information.
Research Design
This document discusses research design, which is the framework or blueprint that guides research methods and techniques chosen by a researcher. It describes key aspects of research design including the types (exploratory, descriptive, experimental, case study), sampling techniques, data collection methods, and data analysis tools. The characteristics of a good research design are discussed as being neutral, reliable, valid, and able to generalize to a population. The different types of research design - exploratory, descriptive, experimental, and case study - are then defined in more detail.
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Research Design PPT
Description about;
what is research design, need of research design, importance, how it is helpful,definition of research design,classification of research design, types of research design, likewise
exploratory research, conclusive research design, descriptive research, casual research, cross sectional research, longitudinal research.
how many types of research design brief notes and knowledge about all types of research design.
Research design
This document discusses different types of research design. It defines research design as a plan or strategy to obtain answers to research questions while controlling variance. The key elements of research design include the problem, methodology, data gathering, analysis, and reporting. Different types of designs covered include historical, descriptive, developmental, exploratory, case study, correlational, causal comparative, experimental, and quasi-experimental. The purpose, process, and considerations for each design type are outlined.
Research design
This document discusses research design, which is the plan or blueprint for how a research study will be conducted. It outlines key components of research design including sampling design, observational design, statistical design, and operational design. Some important concepts discussed are dependent and independent variables, extraneous variables, experimental and control groups, and treatments. Different types of research designs are covered for exploratory research, descriptive/diagnostic research, and hypothesis-testing research. Research design aims to allow for relevant and economical collection and analysis of data to address the research problem.
New PPT Research design
Research design provides a framework or blueprint for conducting research projects. It involves outlining how data will be collected and analyzed to answer research questions. There are two main types of research design: exploratory and conclusive. Exploratory research is aimed at gaining insight and understanding about a problem using flexible questions, while conclusive research uses formal, structured questions to provide statistical evidence to make decisions. Conclusive research includes causal research, which determines relationships between factors, and descriptive research, which describes market characteristics. Descriptive research can be cross-sectional, collecting a single snapshot of data, or longitudinal, collecting repeated data from the same sample over time.
Scientific Research Introduction | Steps to Conduct Scientific Research | Hal...
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5. the research design
The document outlines the key elements of a research design, including: 1) The purpose of the study, such as exploration, description, or hypothesis testing; 2) The type of investigation into causal relationships or correlations; 3) The level of researcher interference which can be minimal or involve manipulation; and 4) Attributes of the study like the setting, units of analysis, and time horizon which can examine individuals, groups, or cultures across a single or multiple periods.
Research Design
The document outlines key aspects of research design including objectives, data collection methods, sampling, and analysis. It discusses three primary methods of data collection: observation, surveys, and experimental. Observation involves directly observing behaviors without questions, while surveys can be structured or unstructured. Experimental research tests hypotheses by manipulating variables. Sample design determines who to survey, how many people, and the sampling method, which could be probability-based or nonprobability. The goal of research design is to efficiently collect relevant information.
Research Design
This document discusses research design, which is the framework or blueprint that guides research methods and techniques chosen by a researcher. It describes key aspects of research design including the types (exploratory, descriptive, experimental, case study), sampling techniques, data collection methods, and data analysis tools. The characteristics of a good research design are discussed as being neutral, reliable, valid, and able to generalize to a population. The different types of research design - exploratory, descriptive, experimental, and case study - are then defined in more detail.
Research design and its Importance in business
This presentation will give you the complete understanding of what is research what is research design, why we use this, when we use this.
Research design
The document discusses key aspects of research design including defining research design, the components of a research design (what, why, where, data type, sample, analysis), and features of a good design (flexible, appropriate, efficient, economical). It also covers important concepts like independent and dependent variables, extraneous variables, experimental and control groups, and treatments. Overall, the document provides an overview of how to plan and structure a research study.
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The document discusses the scientific research process and the hallmarks of a scientific investigation. It describes the hypothetico-deductive method, which involves 7 steps: 1) identifying a problem area, 2) defining the problem statement, 3) developing hypotheses, 4) determining measures, 5) collecting data, 6) analyzing data, and 7) interpreting results. Rigor, testability, replicability, precision, objectivity, generalizability, and parsimony are key hallmarks of scientific research. An example is provided to illustrate how the hypothetico-deductive method is applied to investigate the lack of use of a new management information system.
Hallmarks of Scientific Research
This document outlines the key hallmarks of scientific research, including purposiveness, rigor, testability, replicability, precision and confidence, objectivity, generalizability, and parsimony. It provides examples for each hallmark in the context of researching how to increase employee commitment levels at an organization. The research is intended to systematically establish facts and find solutions to problems through organized study.
Research design ppt (1)
This document discusses different types of research design: exploratory, descriptive, and explanatory. Exploratory design is used to investigate a new area and form hypotheses. Descriptive design aims to describe a problem and its solutions. Methods include surveys, observations, and case studies. Explanatory design identifies causal links between variables through methods like literature reviews, in-depth interviews, and case analysis. The document emphasizes that research design provides a logical plan for conducting a study to maximize valid answers to research questions through the appropriate use of exploratory, descriptive, or explanatory approaches.
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Definitions of research, business research and scientific research, Hallmarks of scientific research, Hypothetico-deductive method, Review of the hypothetico-deductive method, Obstacles to conducting research in management area
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This document discusses experimental research methodology, specifically focusing on variance, sources of error, and control techniques. It defines variance as a measure of dispersion among scores and explains how research design aims to maximize systematic variance from the experimental manipulation while controlling extraneous and minimizing error variance. Extraneous variance comes from irrelevant variables and can be controlled through randomization, elimination, matching, or statistical control. Error variance results from uncontrollable individual differences among subjects and errors of measurement. The goal is for research design to provide valid answers to research questions in an accurate and cost-effective manner.
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This document discusses scientific research and its application to business decision making. It defines research as a systematic, objective process for investigating problems and finding solutions. The purpose of business research is to provide information to guide well-informed business decisions. Scientific research focuses on analyzing situational factors through logical, step-by-step methods to solve problems and make accurate predictions. It gives several examples of how scientific research principles like rigor, testability, and objectivity can help managers effectively investigate issues and make confident decisions.
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Research can be defined as a systematic investigation to establish facts and answer questions through gathering and interpreting data. The goal of research is to develop or contribute to generalizable knowledge. It involves formulating hypotheses, collecting and analyzing data, and drawing conclusions. Research design refers to the overall strategy used to integrate different components of a study to ensure the study is conducted properly. The key components of research design include sampling, observational techniques, statistical analysis, and operational procedures.
Research Design
The document discusses different aspects of research design including what research design is, its key components, and types of research design. It defines research design as the arrangement of conditions for collecting and analyzing data to combine relevance to the research purpose with efficient procedures. The main components of research design discussed are sampling design, observational design, statistical design, and operational design. It also outlines features of a good research design and key concepts like dependent and independent variables, extraneous variables, control, and research hypotheses. Finally, it discusses research design for exploratory, descriptive, diagnostic, and hypothesis-testing research studies.
Types of research designs
This document provides an outline on research methods and design. It discusses the main types of research designs including correlational, experimental, qualitative, and meta-analysis. It also covers how to choose an appropriate research design by considering whether it adequately tests hypotheses, controls for extraneous variables, and allows for generalizable results. Finally, it outlines issues to consider in research design such as the research context, nature and size of samples, and potential data sources and their limitations.
Research design unit2
This document provides an overview of key concepts related to research design. It discusses the meaning and importance of research design, as well as classifications including exploratory, descriptive, diagnostic, and hypothesis-testing research designs. Important concepts covered include dependent and independent variables, extraneous variables, control, research hypotheses, experimental and control groups, and treatments. Experimental designs such as completely randomized, randomized block, Latin square, and factorial designs are also introduced. The document provides a framework for understanding different types of research design and their applications.
Chapter 2 SCIENTIFIC INVESTIGATION
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Research design
Research Design, Types of Research design, Experimental error, Experimental design, randomization,replication and local control.
BRM ppt
Research design provides a framework for conducting marketing research projects by detailing the necessary procedures to obtain needed information. There are two main types of research design: exploratory and conclusive. Exploratory research formulates problems, identifies actions, develops hypotheses, and isolates key variables through methods like expert surveys, pilot surveys, and case studies. Conclusive research has clearly defined information needs, is formal/structured, uses large samples, and applies quantitative analysis and findings to decision making. Descriptive and causal research are also discussed.
Research approach
The document discusses different research approaches including postpositivism, constructivism, transformative, and pragmatism worldviews. It provides an overview of the key components, principles, and comparisons of quantitative, qualitative, and mixed methods approaches. Quantitative approaches are tested through experiments and seek to generalize findings while qualitative approaches aim to understand meanings in context through discovery and exploration. Mixed methods combine deductive and inductive logic to get a multifaceted understanding of research problems. The criteria for selecting an approach depends on the problem, purpose, resources, and intended audience of the study.
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This document discusses different types of research from three perspectives: the application of findings, research objectives, and mode of inquiry. It describes pure research, applied research, and action research based on application. From the viewpoint of objectives, it outlines exploratory, descriptive, correlational, and explanatory research. Regarding mode of inquiry, it compares quantitative, qualitative, and mixed methods research. It also discusses mixed methodology, when to use it, and ex post facto research.
Summary
1) The document discusses the key aspects of research methodology, including defining research, the research process, and important concepts like variables and theoretical frameworks.
2) It emphasizes that research must be conducted scientifically, following steps like observing the problem, gathering preliminary data, developing a theoretical framework and hypotheses, collecting and analyzing data, and reporting findings.
3) The research process is not always linear and researchers may need to revisit previous steps to refine their understanding before moving forward with the study.
Introduction to business research methods PPT
The document provides an introduction to business research methods. It discusses key concepts such as the definition of business research, the role of theory and hypotheses, deductive and inductive approaches, quantitative and qualitative research strategies, and mixed methods. The document also outlines different research paradigms and the ontological and epistemological assumptions underlying various approaches to research.
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This document discusses research methodology and provides an overview of key concepts in business research. It begins by defining business research and describing commonly researched areas. It then discusses the types of business research as applied or basic. Managers are said to benefit from research knowledge by identifying and solving problems, making informed decisions, and hiring consultants effectively. The document outlines the scientific research process and hallmarks as purposive, rigorous, testable, replicable, precise, objective, and generalizable. Variables, scales of measurement, and developing a theoretical framework and hypotheses are also discussed.
Research design
This document discusses research design and validity. It defines research as a systematic investigation of hypotheses about natural phenomena. Research design is described as a master plan specifying methods for collecting and analyzing information needed to conduct a study. The document then discusses different types of research designs, approaches, and validity. Specifically, it outlines internal validity as the degree an independent variable produces an observed effect, external validity as the degree results can be generalized, and construct validity as the degree inferences can be made from operationalizations to theoretical constructs.
PPT-Experimental-research-design.pdf
The document discusses key concepts related to research design including defining research design, the purposes of research design such as establishing the study questions and minimizing bias, and important elements to consider when designing a study like manipulation, control, randomization, and causality. It also outlines various types of research designs like true experimental, quasi-experimental, and their characteristics.
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This presentation will give you the complete understanding of what is research what is research design, why we use this, when we use this.
Research design
The document discusses key aspects of research design including defining research design, the components of a research design (what, why, where, data type, sample, analysis), and features of a good design (flexible, appropriate, efficient, economical). It also covers important concepts like independent and dependent variables, extraneous variables, experimental and control groups, and treatments. Overall, the document provides an overview of how to plan and structure a research study.
Research Method
The document discusses the scientific research process and the hallmarks of a scientific investigation. It describes the hypothetico-deductive method, which involves 7 steps: 1) identifying a problem area, 2) defining the problem statement, 3) developing hypotheses, 4) determining measures, 5) collecting data, 6) analyzing data, and 7) interpreting results. Rigor, testability, replicability, precision, objectivity, generalizability, and parsimony are key hallmarks of scientific research. An example is provided to illustrate how the hypothetico-deductive method is applied to investigate the lack of use of a new management information system.
Hallmarks of Scientific Research
This document outlines the key hallmarks of scientific research, including purposiveness, rigor, testability, replicability, precision and confidence, objectivity, generalizability, and parsimony. It provides examples for each hallmark in the context of researching how to increase employee commitment levels at an organization. The research is intended to systematically establish facts and find solutions to problems through organized study.
Research design ppt (1)
This document discusses different types of research design: exploratory, descriptive, and explanatory. Exploratory design is used to investigate a new area and form hypotheses. Descriptive design aims to describe a problem and its solutions. Methods include surveys, observations, and case studies. Explanatory design identifies causal links between variables through methods like literature reviews, in-depth interviews, and case analysis. The document emphasizes that research design provides a logical plan for conducting a study to maximize valid answers to research questions through the appropriate use of exploratory, descriptive, or explanatory approaches.
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Definitions of research, business research and scientific research, Hallmarks of scientific research, Hypothetico-deductive method, Review of the hypothetico-deductive method, Obstacles to conducting research in management area
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This document discusses experimental research methodology, specifically focusing on variance, sources of error, and control techniques. It defines variance as a measure of dispersion among scores and explains how research design aims to maximize systematic variance from the experimental manipulation while controlling extraneous and minimizing error variance. Extraneous variance comes from irrelevant variables and can be controlled through randomization, elimination, matching, or statistical control. Error variance results from uncontrollable individual differences among subjects and errors of measurement. The goal is for research design to provide valid answers to research questions in an accurate and cost-effective manner.
Hallmarks of Scientific Research
This document discusses scientific research and its application to business decision making. It defines research as a systematic, objective process for investigating problems and finding solutions. The purpose of business research is to provide information to guide well-informed business decisions. Scientific research focuses on analyzing situational factors through logical, step-by-step methods to solve problems and make accurate predictions. It gives several examples of how scientific research principles like rigor, testability, and objectivity can help managers effectively investigate issues and make confident decisions.
Business Research Methods
Research can be defined as a systematic investigation to establish facts and answer questions through gathering and interpreting data. The goal of research is to develop or contribute to generalizable knowledge. It involves formulating hypotheses, collecting and analyzing data, and drawing conclusions. Research design refers to the overall strategy used to integrate different components of a study to ensure the study is conducted properly. The key components of research design include sampling, observational techniques, statistical analysis, and operational procedures.
Research Design
The document discusses different aspects of research design including what research design is, its key components, and types of research design. It defines research design as the arrangement of conditions for collecting and analyzing data to combine relevance to the research purpose with efficient procedures. The main components of research design discussed are sampling design, observational design, statistical design, and operational design. It also outlines features of a good research design and key concepts like dependent and independent variables, extraneous variables, control, and research hypotheses. Finally, it discusses research design for exploratory, descriptive, diagnostic, and hypothesis-testing research studies.
Types of research designs
This document provides an outline on research methods and design. It discusses the main types of research designs including correlational, experimental, qualitative, and meta-analysis. It also covers how to choose an appropriate research design by considering whether it adequately tests hypotheses, controls for extraneous variables, and allows for generalizable results. Finally, it outlines issues to consider in research design such as the research context, nature and size of samples, and potential data sources and their limitations.
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This document provides an overview of key concepts related to research design. It discusses the meaning and importance of research design, as well as classifications including exploratory, descriptive, diagnostic, and hypothesis-testing research designs. Important concepts covered include dependent and independent variables, extraneous variables, control, research hypotheses, experimental and control groups, and treatments. Experimental designs such as completely randomized, randomized block, Latin square, and factorial designs are also introduced. The document provides a framework for understanding different types of research design and their applications.
Chapter 2 SCIENTIFIC INVESTIGATION
The document discusses scientific research and the hypothetico-deductive method. It defines research as a systematic, objective inquiry to solve problems. Scientific research focuses on gathering data through logical steps to analyze problems and draw valid conclusions. The key aspects of scientific research are that it is purposeful, rigorous, testable, replicable, precise, objective, generalizable, and parsimonious. The seven steps of the hypothetico-deductive method are to identify a problem, define hypotheses, determine measures, collect data, analyze data, and interpret results. Other research methods include case studies and action research.
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Research design provides a framework for conducting marketing research projects by detailing the necessary procedures to obtain needed information. There are two main types of research design: exploratory and conclusive. Exploratory research formulates problems, identifies actions, develops hypotheses, and isolates key variables through methods like expert surveys, pilot surveys, and case studies. Conclusive research has clearly defined information needs, is formal/structured, uses large samples, and applies quantitative analysis and findings to decision making. Descriptive and causal research are also discussed.
Research approach
The document discusses different research approaches including postpositivism, constructivism, transformative, and pragmatism worldviews. It provides an overview of the key components, principles, and comparisons of quantitative, qualitative, and mixed methods approaches. Quantitative approaches are tested through experiments and seek to generalize findings while qualitative approaches aim to understand meanings in context through discovery and exploration. Mixed methods combine deductive and inductive logic to get a multifaceted understanding of research problems. The criteria for selecting an approach depends on the problem, purpose, resources, and intended audience of the study.
Types of Research
This document discusses different types of research from three perspectives: the application of findings, research objectives, and mode of inquiry. It describes pure research, applied research, and action research based on application. From the viewpoint of objectives, it outlines exploratory, descriptive, correlational, and explanatory research. Regarding mode of inquiry, it compares quantitative, qualitative, and mixed methods research. It also discusses mixed methodology, when to use it, and ex post facto research.
Summary
1) The document discusses the key aspects of research methodology, including defining research, the research process, and important concepts like variables and theoretical frameworks.
2) It emphasizes that research must be conducted scientifically, following steps like observing the problem, gathering preliminary data, developing a theoretical framework and hypotheses, collecting and analyzing data, and reporting findings.
3) The research process is not always linear and researchers may need to revisit previous steps to refine their understanding before moving forward with the study.
Introduction to business research methods PPT
The document provides an introduction to business research methods. It discusses key concepts such as the definition of business research, the role of theory and hypotheses, deductive and inductive approaches, quantitative and qualitative research strategies, and mixed methods. The document also outlines different research paradigms and the ontological and epistemological assumptions underlying various approaches to research.
Research Methodology
This document discusses research methodology and provides an overview of key concepts in business research. It begins by defining business research and describing commonly researched areas. It then discusses the types of business research as applied or basic. Managers are said to benefit from research knowledge by identifying and solving problems, making informed decisions, and hiring consultants effectively. The document outlines the scientific research process and hallmarks as purposive, rigorous, testable, replicable, precise, objective, and generalizable. Variables, scales of measurement, and developing a theoretical framework and hypotheses are also discussed.
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1. The document discusses research design, which is a plan for conducting research to answer questions or solve problems. It outlines the steps, methods, and strategies used to collect and analyze data.
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The document provides an overview of research design, including:
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2. Key concepts in research design include independent and dependent variables, control of extraneous variables, and experimental and control groups.
3. There are different types of research design including exploratory, causal, descriptive, and experimental designs. Experimental designs further include pre-experimental, true experimental, and quasi-experimental approaches.
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The document discusses research design, which is the plan or blueprint for how a research study will be conducted. It involves determining what questions the research aims to answer, what type of data is needed, where to find that data, and how to analyze results. The key aspects of research design discussed include variables, hypotheses, experimental and control groups, and treatments. Different types of research design are also outlined, such as exploratory, causal, descriptive, and experimental designs. Experimental design specifically aims to determine cause-and-effect relationships between variables.
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The document provides an overview of research design, including:
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2. It provides details on specific designs like case studies, case control studies, action research, cohort studies, descriptive studies, cross-sectional studies, exploratory studies, experimental studies, and longitudinal studies.
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This document provides an overview of research design. It defines research design as the conceptual structure for conducting research, including hypotheses, data collection, measurement, and analysis. Good research design considers objectives, problems, availability of resources, and controls for extraneous variables. Key concepts are independent and dependent variables, and experimental and control groups. Different types of research design are discussed for exploratory, descriptive, diagnostic, and hypothesis-testing studies. The principles of experimental design include replication, randomization, and local control.
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General. All solvents were reagent grade or HPLC grade. Unless otherwise noted, all materials
were obtained from commercial suppliers and used without further purification. Melting points
were obtained on a Mel-Temp apparatus and are uncorrected. 1
H NMR spectra were recorded at
400 MHz. 13C NMR spectra were recorded at 100 MHz. Flash column chromatography was carried
out by Biotage Isolera One using ISCO RediSep silica gel cartridges. Analytical HPLC was
performed on an Agilent 1200 series HPLC system equipped with an Agilent G1315D DAD
detector (detection at 220 nm) and an Agilent 6120 quadrupole MS detector using an Agilent
Eclipse Plus C18 column (2.1 mm × 50 mm, 3.5 μm) at a flow rate of 1.25 mL/min. The HPLC
solvent system consisted of deionized water and acetonitrile, both containing 0.1% formic acid.
The mobile phase in HPLC consisted of 5% acetonitrile/95% water for 0.25 min followed by a
gradient to 40% acetonitrile/60% water over 1.5 min and then a gradient to 85% acetonitrile/15%
water over 2.25 min. Unless otherwise noted, all final compounds biologically tested were
confirmed to be of ≥95% purity by the HPLC methods described above. No unexpected or
unusually high safety hazards were encountered during the course of the experiments described
below.
To a solution of 6-aminonicotinic acid 3 (100 mg, 0.72
mmol) and K2CO3 (150 mg, 1.09 mmol) in DMF (5 mL) was added chloromethyl acetate (79 mg,
0.72 mmol). After stirring at 50 °C for 5 h, DMF was removed in vacuo and the residue was
purified using a Biotage Isolera One flash purification system with a silica gel cartridge
(30→100% EtOAc in Hexanes) to give 99.7 mg (66% yield) of compound 5 d as a white solid.
To a solution of 6-aminonicotinic acid 3 (100
mg, 0.72 mmol) and K2CO3 (150 mg, 1.09 mmol) in DMF (5 mL) was added chloromethyl
isobutyrate (99 mg, 0.72 mmol). After stirring at 50 °C for 5 h, DMF was removed in vacuo and
the residue was purified using a Biotage Isolera One flash purification system with a silica gel
cartridge (30→100% EtOAc in Hexanes) to give 136.9 mg (79% yield) of compound 5e as a white
To a solution of 6-aminonicotinic acid 3 (100 mg,
0.72 mmol) and K2CO3 (150 mg, 1.09 mmol) in DMF (5 mL) was added chloromethyl butyrate
(99 mg, 0.72 mmol). After stirring at 50 o
C for 5 h, DMF was removed in vacuo and the residue
was purified using a Biotage Isolera One flash purification system with a silica gel cartridge
(30→100% EtOAc in Hexanes) to give 152.9 mg (89% yield) of compound 5f as a white solid.
To a solution of 6-aminonicotinic acid 3 (100 mg,
0.72 mmol) and K2CO3 (150 mg, 1.09 mmol) in DMF (5 mL) was added chloromethyl butyrate
(99 mg, 0.72 mmol). After stirring at 50 o
C for 5 h, DMF was removed in vacuo and the residue
was purified using a Biotage Isolera One flash purification system with a silica gel cartridge
(30→100% EtOAc in Hexanes) to give 152.9 mg (89% yield) of compound 5f as a white solid.
To a solution of 6-aminonicotine
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hello there!!! so as part of lock-down situation, Maharaja Krishnakumarsinhji Bhavnagar university started conduction online classes for upcoming NET examination. As part of that, i have been uploading series of Research Aptitude related stuff. paper code 30, English literature, research unit 10. and this slideshare is about paper 1. other pt also i've uploaded.
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Experimental research design
- 1. Experimental Research Design Dr.Molly Joy Professor and Head, Department of Psychology , Kristu Jayanti College Bangalore
- 2. Definition “Experimental design is the blueprint of the procedures that enable the researcher to test hypotheses by reaching valid conclusions about relationships between independent and dependent variables” – John W Best & James V Kahn (2003)
- 3. Research design –Nature & Purpose Research design is the detailed plan of investigation; the blueprint of the detailed procedures of testing the hypotheses and analyzing the obtained results. Any research plan is deliberately and specifically conceived and carried out to give empirical evidence to the problem under investigation. Any research design sets up the framework for adequate tests of the relations among variables. It is from a design, the researcher can infer what observations need to be made upon the variables, how to make them, and how to analyze the quantitative data gathered about the variables and observations, how to interpret the findings, and what conclusions to draw.
- 4. Purpose The purpose is to provide maximum amount of information relevant to the problem under investigation The basic purpose of research design is to Maximize experimental variance Control extraneous variance Minimize error variance, and therefore Provide unambiguous results and avoid confounding
- 5. FUNCTION A good research design will answer research questions as objectively, validly, accurately, and economically as possible. It will suggests the researcher the manner in which to collect data, control variables, manner of manipulation, use of right statistical analysis based on the context of the study. Controls,v0riables: a good design also acts as a control mechanism and enables the researcher to control unwanted variances.