Analyze the given data using SPSS's GLM procedure and write SPSS syntax to read it in.
HUDM 5123 Lab 1: Dependent group's t-test (RB-2 design)
This lab asks you to analyze a simple matched-groups design in two ways: using the dependent group's t test, and analyzing the same data as a randomized blocks create with p=2 levels of the within-subjects factor (using SPSS's GLM procedure).
In this study, the researcher is studying effect of participation in an afterschool program on problem behaviours (e.g. smoking, risky sex) in teens. Since participants in the program are volunteers, rather than being randomly assigned to conditions, group of participating teens differs in a number of ways from non-participants most importantly in a composite measure of "social/academic risk." The researcher decides to try to control for group differences by matching pairs of students, one participant with one non-participant, with comparable risk scores. Fifteen matched pairs of students are created, so the total number of students followed is N=30. After 3 months of program, the scores of participants and non-participants are compared (dependent variable is a composite measure of problem behaviours, Y, obtained by summing severity measures across a set of target behaviours).
DATA:
|
Pair
|
Partic
|
Non-Partic
|
|
01
|
16
|
22
|
|
02
|
09
|
14
|
|
03
|
18
|
14
|
|
04
|
23
|
26
|
|
05
|
07
|
19
|
|
06
|
22
|
16
|
|
07
|
14
|
17
|
|
08
|
09
|
17
|
|
09
|
14
|
09
|
|
10
|
16
|
25
|
|
11
|
15
|
15
|
|
12
|
17
|
23
|
|
13
|
25
|
26
|
|
14
|
09
|
18
|
|
15
|
17
|
12
|
Type the above data into the SPSS Data Editor window, or save this file as an unformatted text file and write down SPSS syntax to read it in.