research design

1. Presented To :- Lalit singla
Presented By :- Armesh Kumar
Karanbir Singh

2.  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.
 Blueprint .
 Guides the investigators

3. Smooth sailing of research operations.
Stands for advance planning of the
methods.
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.

4. Dependent and independent variable
Extraneous variable
Control
Research hypothesis
Experimental and non-experimental
hypothesis-testing research
Experimental and control groups
Experimental unit

5.  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

6. Principal of replication
Principal of randomization
Principal of local control

7. 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
C.R. design
R.B design
Latin square design
Factorial design