Question

Question 10

A psychologist would like to evaluate the relationship between verbal skills as measured by the Scholastic Achievement Test (SAT) and performance on an anagram task. (Anagrams are words with the letters scrambled. The task is to unscramble the letters and identify the word.) Each subject is given a set of 10 anagrams, and the psychologist records how much time is needed to solve all 10. The anagram times and each subject's SAT score are recorded. Please choose the statistical test that is most appropriate for this research.

Group of answer choices

Two-way ANOVA

Repeated Measures t-test

Pearson r Correlation Coefficient

One Sample z-test

Question 11

The IV is parental role within couples (mother versus father); the DV is degree of bonding with the infant. Participants were randomly assigned to one of the two conditions. Please choose the statistical test that is most appropriate for this research.

Group of answer choices

Repeated Measures t-test

One Sample t-test

One Sample z-test

Independent Samples t-test

Question 12

A psychologist would like to examine the effects of sugar consumption on the activity level of preschool children. Three samples of children are randomly selected and assigned with n = 5 in each sample. One group gets no sugar, one group gets a small dose, and the third group gets a large dose. The psychologist records the activity level for each child. Please choose the statistical test that is most appropriate for this research.

Group of answer choices

One Sample z-test

Pearson r Correlation Coefficient

Independent Samples t-test

One-way ANOVA

Answer 1

10)

Pearson r Correlation Coefficient

(since we are checking if there is a correlation between time and SAT score)

11)

Independent Samples t-test

(since subject are different in groups_)

12)

One-way ANOVA