Test the following hypothesized confirmatory factor model (Figure 8.3) using the LISREL computer software program:
Sample Size: 3094
Observed variables:
Academic ability (Academic)
Self-concept (Concept)
Degree aspirations (Aspire)
Degree (Degree)
Occupational prestige (Prestige)
Income (Income)
Correlation matrix:
$$
\begin{array}{cccccc}
\hline \text { Academic } & \text { Concept } & \text { Aspire } & \text { Degree } & \text { Prestige } & \text { Income } \\
\hline 1.000 & & & & & \\
0.487 & 1.000 & & & & \\
0.236 & 0.206 & 1.000 & & & \\
0.242 & 0.179 & 0.253 & 1.000 & & \\
0.163 & 0.090 & 0.125 & 0.481 & 1.000 & \\
0.064 & 0.040 & 0.025 & 0.106 & 0.136 & 1.000 \\
\hline
\end{array}
$$
Hypothesized CFA model: The CFA model indicates that the first three observed variables measure the latent variable Academic Motivation (Motivate) and the last three observed variables measure the latent variable Socioeconomic Status (SES). Motivate and SES are correlated.
Then modify the model to achieve a better model fit as shown in Figure 8.4.
( FIGURE CAN'T COPY )