Presented To :- Lalit singla
Presented By :- Armesh Kumar
According to cook “research design is the
arrangement of conditions for collection &
analysis of data in a manner that aims to
combine relevance to the research purpose
with economy in procedure”.
Arrangement of conditions.
Overall framework of the projects.
Specific master plan or model.
Guides the investigators
Smooth sailing of research operations.
Stands for advance planning of the
Great bearing on reliability of the results.
Helps to give directions.
Helps in decision making.
Research design prevent blind searching.
Helps researchers to anticipate potential
problems in collecting data etc.
Dependent and independent variable
Experimental and non-experimental
Experimental and control groups
The choice of appropriate design largely
depends on the objectives of the research
and how much is known about the problem
and its objectives.
Three traditional kinds of research-design
Exploratory and conclusive research design
Conclusive research design further two type
Descriptive and casual research design
Descriptive may be two type
Cross sectional and longitudinal
Principal of replication
Principal of randomization
Principal of local control
There are two type of experimental design
Informal experimental design
Pretest posttest without control group
Posttest only with control group
Pretest and posttest with control group
Formal experimental design
Latin square design