This document discusses research hypotheses. It defines a hypothesis as a tentative, testable statement about the relationship between two or more variables. A hypothesis helps translate research problems into clear predictions about expected outcomes. Hypotheses are derived from literature reviews and conceptual frameworks. The main types discussed are research hypotheses, null hypotheses, and testable hypotheses. Research hypotheses make predictions, while null hypotheses predict no relationship. Testable hypotheses involve measurable variables. Variables are also discussed, including independent, dependent, extraneous, and demographic variables. Assumptions and limitations of research are briefly covered.
Methods of data collection (research methodology)Muhammed Konari
Included all types of data collection.Includes primary data collection and secondary data collection. Described each and every classification of Data collections which are included in KTU Kerala.
This was a presentation that was carried out in our research method class by our group. It will be useful for PHD and master students quantitative and qualitative method. It consist sample definition, purpose of sampling, stages in the selection of a sample, types of sampling in quantitative researches, types of sampling in qualitative researches, and ethical Considerations in Data Collection.
RESEARCH DESIGN , Sampling Designs , Dependent and Independent Variables, Extraneous Variables, Hypothesis, Exploratory Research Design, Descriptive and Diagnostic Research
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Included all types of data collection.Includes primary data collection and secondary data collection. Described each and every classification of Data collections which are included in KTU Kerala.
This was a presentation that was carried out in our research method class by our group. It will be useful for PHD and master students quantitative and qualitative method. It consist sample definition, purpose of sampling, stages in the selection of a sample, types of sampling in quantitative researches, types of sampling in qualitative researches, and ethical Considerations in Data Collection.
RESEARCH DESIGN , Sampling Designs , Dependent and Independent Variables, Extraneous Variables, Hypothesis, Exploratory Research Design, Descriptive and Diagnostic Research
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Research Methodology all about Hypothesis.pptxDrHafizKosar
A hypothesis is an assumption that is made based on some evidence. This is the initial point of any investigation that translates the research questions into predictions. It includes components like variables, population and the relation between the variables. A research hypothesis is a hypothesis that is used to test the relationship between two or more variables.
Characteristics of Hypothesis
Following are the characteristics of the hypothesis:
• The hypothesis should be clear and precise to consider it to be reliable.
• If the hypothesis is a relational hypothesis, then it should be stating the relationship between variables.
• The hypothesis must be specific and should have scope for conducting more tests.
• The way of explanation of the hypothesis must be very simple and it should also be understood that the simplicity of the hypothesis is not related to its significance.
Sources of Hypothesis
Following are the sources of hypothesis:
• The resemblance between the phenomenon.
• Observations from past studies, present-day experiences and from the competitors.
• Scientific theories.
• General patterns that influence the thinking process of people.
Types of Hypotheses
There are six forms of hypothesis and they are:
• Simple hypothesis
• Complex hypothesis
• Directional hypothesis
• Non-directional hypothesis
• Null hypothesis
• Associative and casual hypothesis
How will Hypothesis help in the Scientific Method?
Researchers use hypotheses to put down their thoughts directing how the experiment would take place. Following are the steps that are involved in the scientific method:
• Formation of question
• Doing background research
• Creation of hypothesis
• Designing an experiment
• CDIFFERENCE BETWEEN RESEARCH QUESTION AND HYPOTHESIS
1.A research question and a hypothesis are both key of the research process,
but they serve different, purposes and have, distinct characteristics.
2.A research question is, a broad inquiry that defines the main focus, of a research study. It is an interrogative statement, that identifies the specific, aspect or problem that the, researcher intends to investigate.
3. Research questions are usually open-ended, and seek to explore, describe, or understand a phenomenon. They are formulated to guide the research process, and provide a clear direction for inquiry.
6 On the other hand, a hypothesis is a testable statement or prediction, that proposes a relationship, or difference between variables. It is based on existing theories, prior research, or observations, and represents an educated guess about the outcome, of the study.
7.Hypotheses are typically, formulated in a specific, and often directional manner. They aim to provide a tentative explanation or answer to the research question
8 A research hypothesis is a, statement that proposes, a relationship or difference, between variables. It serves as the basis for designing and conducting research studies to test its validity.
hypothesis and type of hypothesis is explained with appropriate examples
Hypotheses and type of hypotheses are explained with appropriate examples
Research hypothesis, null hypothesis, directional hypothesis, non-directional hypothesis, simple hypothesis, complex hypothesis etc
a small and well descriptive presentation on hypothesis topic. it has all the information you need to know about the topic covering the types, characteristics and contributions you want to know about hypothesis.
Variables are qualities, properties, or characteristics of person, things, or situations that change or vary.
Chinn and Kramer stated that variables are concepts at different level of abstraction that are concisely defined to promote their measurement or manipulation within study.
Introduction to hypothesis, definitions, source, importance, features and types. Detailed description of types of Hypothesis with explanations.
Use of hypothesis in research and important points to notice while selecting types of hypothesis.
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The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
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2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
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Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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2. • Hypothesis is considered as an intelligent guess or
prediction, that gives directional to the researcher
to answer the research question.
• Hypothesis or Hypotheses are defined as the
formal statement of the tentative or expected
prediction or explanation of the relationship
between two or more variables in a specified
population.
3. • A hypothesis is a formal tentative statement of the
expected relationship between two or more
variables under study.
• A hypothesis helps to translate the research
problem and objective into a clear explanation or
prediction of the expected results or outcomes of
the study.
4. • Hypothesis is derived from the research problems,
literature review and conceptual framework.
• Hypothesis in a research project logically follow
literature review and conceptual framework.
6. Cont…
• It provides clarity to the research problem and
research objectives
• It describes, explains or predicts the expected
results or outcome of the research.
• It indicates the type of research design.
• It directs the research study process.
7. Cont…
• It identifies the population of the research study
that is to be investigated or examined.
• It facilitates data collection, data analysis and
data interpretation
14. Simple Hypothesis
• simple hypothesis predicts that, there exist
a relationship between the independent
variable and dependent variable.
15. Cont…simple hypothesis
• Example- two hourly positions- changing of a
fully bedridden patient will prevent bedsore.
– In the above example 2 hourly position changing is
independent variable and bedsore prevention is
dependent variable. The statement shows that there
exists a relationship between 2 hourly positioning and
bedsore prevention.
16. Complex Hypothesis
• complex hypothesis predicts that
there exists relationship between two
or more independent and dependent
variable.
17. Cont…Complex Hypothesis
• Example – for a fully bed ridden patent 2 hourly
position changing, 2 hourly back care and a high
protein diet will build up body resistance, will
promote blood circulation and will prevent
bedsore.
– In the above example, three independent variable
are:- A) 2 hourly position changing, B) 2 hourly back
care, C) high protein diet.
– And three dependent variable are:- a) promotion of
blood circulation, B) building up of body resistance,
C) prevention of bed sore.
18. Directional Hypothesis
• Directional Hypothesis predicts the direction of
the relationship between the independent and
dependent variable.
• Example- High quality of nursing education will
lead to high quality of nursing practice skills.
19. Non directional Hypothesis
• Non -directional Hypothesis predicts the
relationship between the independent variable and
the dependent variable but does not specific the
directional of the relationship.
• Example- teacher student relationship influence
student’s learning.
20. Causal Hypothesis
• Causal Hypothesis predicts a cause and effects
relationship or interaction between the
independent variable and dependent variable.
This hypothesis predicts the effect of the
independent variable on the dependent
variable.
21. Cont…
• In this the independent variable is the experimental
or treatment variable. The dependent variable is the
outcome variable
• Example – early postoperative ambulation will
lead to prompt recovery.
22. Associative hypothesis
• Associative Hypothesis predicts an associative
relationship between the independent variable
and the dependent variable.
• When there is a change in any one of the
variables, changes also occurs in the other
variable.
23. Cont…
• The associative relationship between the
independent and dependent variables may have
either.
– Positive association
– Negative association
25. Cont…
• Null Hypothesis is also called statistical
hypothesis because this type of hypothesis is used
for statistical testing and statically interpretation.
The null hypothesis predicts that, there is no
relationship between the independent variable and
dependent variable.
27. Simple null hypothesis
• Example – bed rest will not relives sever
asthmatic dyspnea. In the above example, the
independent variable that is, bed rest does not have
any causal relationship with the dependent
variable that is, severe asthmatic dyspnea.
28. Complex null Hypothesis
• Example- smoking, drug abuse, alcoholism,
tobacco use etc. have no relationship in the
occurrence of malaria, mumps or chicken pox.
29. Causal null Hypothesis
• Example- high intake of fluid does not cause
tissue oedema. In the above example, the
independent variable, that is, high fluid intake
does not have any causal relationship with the
dependent variable such as, tissue oedema.
31. Testable Hypothesis
• The testable hypothesis predicts relationship
between the independent variable and the
dependent variable and theses variable are
testable or measurable.
32. Cont…
• Example – Increase in patient’s body
temperature causes increase in patient’s
pulse rate.
34. • Research variables are defined as qualities,
properties, characteristics, behaviors,
attributes etc. of people- individuals or
group, objects, situations, activities ect. That
changes or vary. Variable are manipulable
and measurable.
37. Independent variable
• Independent variable is the quality or
property that can be manipulated by
the researcher to cause an effect on the
dependent variable. It is also called
experimental variable or treatment
variable.
38. Dependent variable
• Dependent variable is the quality or property or
behavior or outcome that the researcher predicts
and that occurs in response to the manipulation,
experimentation or treatment of the independent
variable. It is also called outcomes variable.
39. • Example- O2 administration to a highly nervous
patient by a face mask instead of a nasal canula
will cause less anxiety to the patient.
– In this above example, the independent variable that is
methods of O2, administration by face mask cause an
effect on the dependent variable, that is patient’s state
of anxiety. In this the independent variable that is
methods of O2 administration is manipulated. Because
O2, instead of face mask, may also be administration by
a nasal canula and this may cause an influence on the
dependent variable or there may be a different outcome
such as, patient’s state of anxiety may be increased.
40. Extraneous variable
• Extraneous variables exist in all type of research
studies but the researcher does not include them for
the research purpose. These are the variable which
confuse or mix up the relationship between the
variable and also interfere with the rational or
causal relationship between the independent and
the dependent variables.
41. Cont…
• The researcher makes an attempt to identify those
extraneous variables before the research study is
initiated and thereby control the influence of
extraneous variables on the research study
through a specific research design or through
statistical manipulation.
42. Cont…
• Example- a clam and quite environment at
bedtime at night will allow sound sleep to a
patient in a general ward. – in the above example,
the independent variable- clam and quite
environment will have an effect on the dependent
variable- sleep of patient at night.
43. Environmental variable
• Environmental variable are the variables which
compose a research setting where the research
study is conducted. These variables are climate,
family background, social background, institution
setup, community setup, education setup etc.
these variable are also some type of extraneous
variable.
44. Cont…
• In a descriptive or correlation research study
where the study is conduct in a natural setting
and where it is necessary to study the subjects’
behavior in a natural setting, the researcher
makes no attempt to control or alter the
environmental variables.
45. Demographic variables
• Demographic variable are the qualities or
property or characteristics of the subject under the
research study and which are collected to describe
sample. These variable are also called the sample
characteristics.
46. Cont…
• Example – subject who are under research
study- age, gender, height, weight, build,
movement, vision, hearing, speech, religion,
marital status etc. are the demographic
variables.
48. • Assumption are the statement of the basic
principal or facts that are established and
are universally accepted as true on the basis
of logic or reasoning without verification or
proof, though they may not have been
scientifically tested.
49. Cont…Assumption
• Assumption is picked up by the research
from various sources. These source are
previous research studies, theories,
clinical fields etc.
51. • Limitation are the restrictions within a
research study, which reduce the credibility
or generalizability of the research findings.
The limitations of the research study are
also called the weak points of study.
52. Cont… limitation
• It is necessary to recognize the limitations of
the research study which might influence the
research result.