SlideShare a Scribd company logo
METHODOLOGY
VARIABLES IN
REASEARCH
BY
NARMATHA P
VARIABLES
Anything that has a quantity or
quality that varies.
DEFINITION
๏‚— A variables, as the name implies, is
something that varies. It may be
weight, height, anxiety level,
income, body temperature and so on.
๏‚— A characteristic, number, or quantity
that increases or decreases over time,
or takes different values in different
situations.
TYPES OF VARIABLES
๏‚—We have two kinds of variables
which are Common and
Uncommon.
๏‚—Totally more than forty five
variables.
EXAMPLES
Common Uncommon
Qualitative Active
Quantitative Grouping
Independent Indicator
Dependent Intervening
Control Interval
Confounding Dummy
Continuous Binary
INDEPENDENT VARIABLE
๏‚— If the independent variable is an
active variable then we manipulate
the values of the variable to study its
affect an another variable.
๏‚— Ex.
Eating ice cream causes to fever
I.V
DEPENDENT VARIABLE
๏‚— Dependent variable is the variable
that is affected by the independent
variable.
๏‚— Ex.
Eating ice cream causes to fever
D.V
CONFOUNDING VARIABLE
๏‚— A confounding is the variable that
influence both the independent
variables and dependent variables
causing a spurious association.
๏‚— Ex.
But it is not the only reason to
getting fever. C.V
Confounding
VARIABLES IN  REASEARCH.pptx

More Related Content

Similar to VARIABLES IN REASEARCH.pptx

Variable and its type
Variable and its typeVariable and its type
Variable and its type
Azeem230808
ย 
Variabels
VariabelsVariabels
Variabels
NadeemShoukat3
ย 
PR2-LESSON 3.pptx
PR2-LESSON 3.pptxPR2-LESSON 3.pptx
PR2-LESSON 3.pptx
Maria253990
ย 
TYPES OF VARIABLES
TYPES OF VARIABLESTYPES OF VARIABLES
TYPES OF VARIABLES
Department of Education
ย 
Week-3-1.pptx
Week-3-1.pptxWeek-3-1.pptx
Week-3-1.pptx
DebbieFloridaEngkoh1
ย 
Lecture-3 Types of Variables.pdf........
Lecture-3 Types of Variables.pdf........Lecture-3 Types of Variables.pdf........
Lecture-3 Types of Variables.pdf........
FurqanHaider42
ย 
variables. Independent and Dependent variables
variables. Independent and Dependent variablesvariables. Independent and Dependent variables
variables. Independent and Dependent variables
Vveeran
ย 
1. Variables.pptx
1. Variables.pptx1. Variables.pptx
1. Variables.pptx
john566652
ย 
Ch 2 Variables.doc
Ch 2 Variables.docCh 2 Variables.doc
Ch 2 Variables.doc
AbedurRahman5
ย 
Chapter 5 variables and their types
Chapter 5 variables and their typesChapter 5 variables and their types
Chapter 5 variables and their types
NiranjanHN3
ย 
Module-04-Variables.pptx
Module-04-Variables.pptxModule-04-Variables.pptx
Module-04-Variables.pptx
HarleyLaus1
ย 
RESEARCH VARIABLES AND THEIR USES.ppt
RESEARCH VARIABLES AND THEIR USES.pptRESEARCH VARIABLES AND THEIR USES.ppt
RESEARCH VARIABLES AND THEIR USES.ppt
EuniceBalondoGarcia
ย 

Similar to VARIABLES IN REASEARCH.pptx (12)

Variable and its type
Variable and its typeVariable and its type
Variable and its type
ย 
Variabels
VariabelsVariabels
Variabels
ย 
PR2-LESSON 3.pptx
PR2-LESSON 3.pptxPR2-LESSON 3.pptx
PR2-LESSON 3.pptx
ย 
TYPES OF VARIABLES
TYPES OF VARIABLESTYPES OF VARIABLES
TYPES OF VARIABLES
ย 
Week-3-1.pptx
Week-3-1.pptxWeek-3-1.pptx
Week-3-1.pptx
ย 
Lecture-3 Types of Variables.pdf........
Lecture-3 Types of Variables.pdf........Lecture-3 Types of Variables.pdf........
Lecture-3 Types of Variables.pdf........
ย 
variables. Independent and Dependent variables
variables. Independent and Dependent variablesvariables. Independent and Dependent variables
variables. Independent and Dependent variables
ย 
1. Variables.pptx
1. Variables.pptx1. Variables.pptx
1. Variables.pptx
ย 
Ch 2 Variables.doc
Ch 2 Variables.docCh 2 Variables.doc
Ch 2 Variables.doc
ย 
Chapter 5 variables and their types
Chapter 5 variables and their typesChapter 5 variables and their types
Chapter 5 variables and their types
ย 
Module-04-Variables.pptx
Module-04-Variables.pptxModule-04-Variables.pptx
Module-04-Variables.pptx
ย 
RESEARCH VARIABLES AND THEIR USES.ppt
RESEARCH VARIABLES AND THEIR USES.pptRESEARCH VARIABLES AND THEIR USES.ppt
RESEARCH VARIABLES AND THEIR USES.ppt
ย 

More from Bharathiar University

TYPE OF LEARNING DISABILITYES.pptx
TYPE OF LEARNING DISABILITYES.pptxTYPE OF LEARNING DISABILITYES.pptx
TYPE OF LEARNING DISABILITYES.pptx
Bharathiar University
ย 
STATISTICS AND PROBABILITY.pptx
STATISTICS AND PROBABILITY.pptxSTATISTICS AND PROBABILITY.pptx
STATISTICS AND PROBABILITY.pptx
Bharathiar University
ย 
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptxEMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
Bharathiar University
ย 
Adhocism.pptx
Adhocism.pptxAdhocism.pptx
Adhocism.pptx
Bharathiar University
ย 
PEDAGOGY OF SCIENCE.pptx
PEDAGOGY OF SCIENCE.pptxPEDAGOGY OF SCIENCE.pptx
PEDAGOGY OF SCIENCE.pptx
Bharathiar University
ย 
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptxEDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
Bharathiar University
ย 
Regression.pptx
Regression.pptxRegression.pptx
Regression.pptx
Bharathiar University
ย 
culture and religion.pptx
culture and religion.pptxculture and religion.pptx
culture and religion.pptx
Bharathiar University
ย 
curriculum change and innovation.pptx
curriculum change and innovation.pptxcurriculum change and innovation.pptx
curriculum change and innovation.pptx
Bharathiar University
ย 
The Philosophy of Education.ppt
The Philosophy of Education.pptThe Philosophy of Education.ppt
The Philosophy of Education.ppt
Bharathiar University
ย 

More from Bharathiar University (10)

TYPE OF LEARNING DISABILITYES.pptx
TYPE OF LEARNING DISABILITYES.pptxTYPE OF LEARNING DISABILITYES.pptx
TYPE OF LEARNING DISABILITYES.pptx
ย 
STATISTICS AND PROBABILITY.pptx
STATISTICS AND PROBABILITY.pptxSTATISTICS AND PROBABILITY.pptx
STATISTICS AND PROBABILITY.pptx
ย 
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptxEMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
EMOTIONAL AND BEHAVIOURAL DISORDERS.pptx
ย 
Adhocism.pptx
Adhocism.pptxAdhocism.pptx
Adhocism.pptx
ย 
PEDAGOGY OF SCIENCE.pptx
PEDAGOGY OF SCIENCE.pptxPEDAGOGY OF SCIENCE.pptx
PEDAGOGY OF SCIENCE.pptx
ย 
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptxEDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
EDUCATIONAL PHILOSOPHY AND IDEALS OF INDIAN THINKERS AND.pptx
ย 
Regression.pptx
Regression.pptxRegression.pptx
Regression.pptx
ย 
culture and religion.pptx
culture and religion.pptxculture and religion.pptx
culture and religion.pptx
ย 
curriculum change and innovation.pptx
curriculum change and innovation.pptxcurriculum change and innovation.pptx
curriculum change and innovation.pptx
ย 
The Philosophy of Education.ppt
The Philosophy of Education.pptThe Philosophy of Education.ppt
The Philosophy of Education.ppt
ย 

Recently uploaded

RESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
RESULTS OF THE EVALUATION QUESTIONNAIRE.pptxRESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
RESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
zuzanka
ย 
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptxChapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Denish Jangid
ย 
BBR 2024 Summer Sessions Interview Training
BBR  2024 Summer Sessions Interview TrainingBBR  2024 Summer Sessions Interview Training
BBR 2024 Summer Sessions Interview Training
Katrina Pritchard
ย 
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) CurriculumPhilippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
MJDuyan
ย 
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptxPrรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
siemaillard
ย 
Benner "Expanding Pathways to Publishing Careers"
Benner "Expanding Pathways to Publishing Careers"Benner "Expanding Pathways to Publishing Careers"
Benner "Expanding Pathways to Publishing Careers"
National Information Standards Organization (NISO)
ย 
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDFLifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
Vivekanand Anglo Vedic Academy
ย 
Pharmaceutics Pharmaceuticals best of brub
Pharmaceutics Pharmaceuticals best of brubPharmaceutics Pharmaceuticals best of brub
Pharmaceutics Pharmaceuticals best of brub
danielkiash986
ย 
Electric Fetus - Record Store Scavenger Hunt
Electric Fetus - Record Store Scavenger HuntElectric Fetus - Record Store Scavenger Hunt
Electric Fetus - Record Store Scavenger Hunt
RamseyBerglund
ย 
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
National Information Standards Organization (NISO)
ย 
Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
MysoreMuleSoftMeetup
ย 
Standardized tool for Intelligence test.
Standardized tool for Intelligence test.Standardized tool for Intelligence test.
Standardized tool for Intelligence test.
deepaannamalai16
ย 
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptxBIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
RidwanHassanYusuf
ย 
SWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptxSWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptx
zuzanka
ย 
Stack Memory Organization of 8086 Microprocessor
Stack Memory Organization of 8086 MicroprocessorStack Memory Organization of 8086 Microprocessor
Stack Memory Organization of 8086 Microprocessor
JomonJoseph58
ย 
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
GeorgeMilliken2
ย 
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit InnovationLeveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
TechSoup
ย 
math operations ued in python and all used
math operations ued in python and all usedmath operations ued in python and all used
math operations ued in python and all used
ssuser13ffe4
ย 
How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17
Celine George
ย 
Nutrition Inc FY 2024, 4 - Hour Training
Nutrition Inc FY 2024, 4 - Hour TrainingNutrition Inc FY 2024, 4 - Hour Training
Nutrition Inc FY 2024, 4 - Hour Training
melliereed
ย 

Recently uploaded (20)

RESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
RESULTS OF THE EVALUATION QUESTIONNAIRE.pptxRESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
RESULTS OF THE EVALUATION QUESTIONNAIRE.pptx
ย 
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptxChapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx
ย 
BBR 2024 Summer Sessions Interview Training
BBR  2024 Summer Sessions Interview TrainingBBR  2024 Summer Sessions Interview Training
BBR 2024 Summer Sessions Interview Training
ย 
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) CurriculumPhilippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
ย 
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptxPrรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
Prรฉsentationvvvvvvvvvvvvvvvvvvvvvvvvvvvv2.pptx
ย 
Benner "Expanding Pathways to Publishing Careers"
Benner "Expanding Pathways to Publishing Careers"Benner "Expanding Pathways to Publishing Careers"
Benner "Expanding Pathways to Publishing Careers"
ย 
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDFLifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
Lifelines of National Economy chapter for Class 10 STUDY MATERIAL PDF
ย 
Pharmaceutics Pharmaceuticals best of brub
Pharmaceutics Pharmaceuticals best of brubPharmaceutics Pharmaceuticals best of brub
Pharmaceutics Pharmaceuticals best of brub
ย 
Electric Fetus - Record Store Scavenger Hunt
Electric Fetus - Record Store Scavenger HuntElectric Fetus - Record Store Scavenger Hunt
Electric Fetus - Record Store Scavenger Hunt
ย 
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
ย 
Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47Mule event processing models | MuleSoft Mysore Meetup #47
Mule event processing models | MuleSoft Mysore Meetup #47
ย 
Standardized tool for Intelligence test.
Standardized tool for Intelligence test.Standardized tool for Intelligence test.
Standardized tool for Intelligence test.
ย 
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptxBIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
BIOLOGY NATIONAL EXAMINATION COUNCIL (NECO) 2024 PRACTICAL MANUAL.pptx
ย 
SWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptxSWOT analysis in the project Keeping the Memory @live.pptx
SWOT analysis in the project Keeping the Memory @live.pptx
ย 
Stack Memory Organization of 8086 Microprocessor
Stack Memory Organization of 8086 MicroprocessorStack Memory Organization of 8086 Microprocessor
Stack Memory Organization of 8086 Microprocessor
ย 
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
ย 
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit InnovationLeveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
ย 
math operations ued in python and all used
math operations ued in python and all usedmath operations ued in python and all used
math operations ued in python and all used
ย 
How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17
ย 
Nutrition Inc FY 2024, 4 - Hour Training
Nutrition Inc FY 2024, 4 - Hour TrainingNutrition Inc FY 2024, 4 - Hour Training
Nutrition Inc FY 2024, 4 - Hour Training
ย 

VARIABLES IN REASEARCH.pptx