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Felson and Bohrnstedt’s Girls and Boys
E
Label all variances and covariances with suitable names; for example, label them with
letters a through u. In the Object Properties dialog box, always put a check mark next
to
All groups when you name a parameter.
E From the menus, choose Analyze > Manage Models and create a second group for the
boys.
E Choose File > Data Files and specify the boys’ dataset (Fels_mal.sav) for this group.
The file Ex11-c.amw contains the model specification for Model C. Here is the input
path diagram, which is the same for both groups:
Results for Model C
Model C has to be rejected at any conventional significance level.
This result means that you should not waste time proposing models that allow no
differences at all between boys and girls.
Chi-square = 48.977
Degrees of freedom = 21
Probability level = 0.001
c
GPA
d
height
f
rating
e
weight
a
academic
b
attract
Example 11: Model C
Test of variance/covariance homogeneity
Felson and Bohrnstedt (1979) girls' data
Model Specification
p
r
q
h
l
t
s
i
m
u
k
o
j
n
g