-
7/26/2019 Methodology of Research - Experimental Research
1/19
-
7/26/2019 Methodology of Research - Experimental Research
2/19
-
7/26/2019 Methodology of Research - Experimental Research
3/19
-
7/26/2019 Methodology of Research - Experimental Research
4/19
-
7/26/2019 Methodology of Research - Experimental Research
5/19
-
7/26/2019 Methodology of Research - Experimental Research
6/19
-
7/26/2019 Methodology of Research - Experimental Research
7/19
Pre experimental Design
Most basic experimental design.
Group of participants are exposed totreatment.
No control group.
No pre-test.
Researchers have no opportunity tocompare results.
X
-
7/26/2019 Methodology of Research - Experimental Research
8/19
Pre experimental DesignPre experimental Design
bservation ta!en beforebservation ta!en before
treatment.treatment.
bservation ta!en after treatment.bservation ta!en after
treatment."#ect of treatment measured by"#ect of treatment measured
by
comparing t$o observations.comparing t$o observations.
%X &
-
7/26/2019 Methodology of Research - Experimental Research
9/19
Preexperimental DesignPreexperimental Design
'$o groups'$o groups( experimental and control.( experimental
and control.
"xperimental group receives treatment"xperimental group receives
treatment
"#ect of treatment measured by"#ect of treatment measured by
comparing experimental group andcomparing experimental group
and
control group.control group.
-
7/26/2019 Methodology of Research - Experimental Research
10/19
-
7/26/2019 Methodology of Research - Experimental Research
11/19
-
7/26/2019 Methodology of Research - Experimental Research
12/19
-
7/26/2019 Methodology of Research - Experimental Research
13/19
-
7/26/2019 Methodology of Research - Experimental Research
14/19
)n alternative approach is to study
the in*uence of one independentvariable in con+unction
$ithvariations in one or more additionalindependent variables.
,e can study not only the e#ects ofthe t$o independent
variablesseparately but also ho$ they combine
to in*uence the dependent variable.
1 G
-
7/26/2019 Methodology of Research - Experimental Research
15/19
)'R/)0 D"1/GN)'R/)0 D"1/GN
P)R)D/GMP)R)D/GM
RR ( Random( Random
( Dependent 2ariable( Dependent 2ariableXX ( /ndependent
2ariable( /ndependent 2ariable
3/4 3&3/4 3& ( 2ariable Moderator( 2ariable
Moderator
-
7/26/2019 Methodology of Research - Experimental Research
16/19
-
7/26/2019 Methodology of Research - Experimental Research
17/19
-
7/26/2019 Methodology of Research - Experimental Research
18/19
O1 O
2 O
3 O
4 X O
5 O
6 O
7 O
8
O1
X O2
O3
O4
-
7/26/2019 Methodology of Research - Experimental Research
19/19
