Static Analysis of Groups Question:

Download Job Interview Questions and Answers PDF

In the example in question 12 there are 3 groups to consider. If you found that the groups differed significantly on reading ability, what might you use to further explore these group differences?

Static Analysis Interview Question
Static Analysis Interview Question

Answer:

1. You would have to examine partial eta squared to see which of the groups the difference was between.
2. You would have to examine Pearson's correlations to see which of the groups the difference was between.
3. You would have to examine pair wise correlations to see which of the groups the difference was between.
4. You would have to examine pair wise comparisons to see which of the groups the difference was between.

You would have to examine pair wise comparisons to see which of the groups the difference was between.

Download Static Analysis Interview Questions And Answers PDF

Previous QuestionNext Question
You are conducting a study looking at the group differences in reading ability between three groups of children, all receiving different remedial assistance. You decide that ages will co vary with reading ability, so you do ANCOVA.

There are 40 children in each of the three groups. The mean reading score for the whole sample is 42.69. The mean for group 1 is 46.92, for group 2 the mean is 41.89, and for group 3 the mean is 41.05.

What is the grand mean?
Consider the output displayed on p. 470. What is the F-Value associated with the effect of age?