Real-life problem using independent sample t-test

Based on my hypothetical research question "What do early childhood educators report about their experiences with father involvement in their programs?", you might conduct the following null and alternative hypotheses:

Null hypothesis H0: Early childhood programs with father involvement would not be more successful.
Alternative hypothesis (Research hypothesis) Ha: Early childhood programs with father involvement would be more successful.

You may conduct an independent two sample t-test. Here are two independent samples:

Sample 1: Early childhood programs with father involvement
Sample 2: Early childhood programs without father involvement

To see if there is sufficient evidence to support the alternative hypothesis Ha, you could collect data of the above two samples. Then conduct an independent two sample t-test.

Note: How to collect the two sample data?

You might want to use the following measurement:

For each kid in the early childhood programs, we calculate the grade point average (GPA) (A: 4; B: 3; C: 2; D:1; F:0).

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