04. An independent-measures research study examines gender differences in toddle

Question

04. An independent-measures research study examines gender differences in toddlers’ verbal skills. The researchers tested verbal skills of twelve 2-years old girls (i.e., n 1 = 12) and twelve 2-years old boys (i.e., n 2 = 12). The data produced a t(22) = 2.15. Which of the following is the correct decision for a two-tailed hypothesis test with p < .05?

A. Reject the H0 with ? = .05; there is a significant gender difference in toddlers’ verbal skills.

B. Reject the H0 with ? = .05; there is no significant gender difference in toddlers’ verbal skills.

C. Fail to reject the H0 with ? = .05; there is no significant gender difference in toddlers’ verbal skills.

D. Fail to reject the H0 with ? = .05; there is a significant gender difference in toddlers’ verbal skills.

Explanation / Answer

Since p < 0.05, we will reject Ho and obtain a significant difference at a = 0.05

Hence,

Option A is correct.

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