One of the factors that affect the reliability of findings from studies using correlations is
A. The number of variables being investigated.
B. The type of relationship that is found.
C. The level of significance set at the start of the study.
D. The number of people who take part.
Answer: A
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Nancy and Marta are friends. Both are athletic and like softball and volleyball. They like the same movies and dislike the same movies. Their friendship is most likely a result of which of the following?
a. cooperative play b. homophily c. heterophily d. clique
Define Piaget's concept of the morality of cooperation (or moral relativism)
What will be an ideal response?
When he reached the midpoint of a thematic unit on the Industrial Revolution, teacher Tony Catania asked his students to spend 10 minutes writing about the topic. These students participated in a:
a) writing inventory b) morphemic analysis c) quickwrite d) trilogy
What was the sample size for this analysis?
Below is text from a report of a consumer research study that used a paired samples t test. This research compared taste preferences for two different types of cookies: Brownie Batter and Chocolate. Consumers ate both types of cookies. After eating each one, they rated it on a 1 (did not like it at all) to 5 (liked it a lot) range. Use this report to answer the question that follow it. An independent samples t test suggested that participants liked the brownie batter cookie (M = 5.08, SD = 1.21) more than the chocolate cookie (M = 3.88, SD = 1.83, t(23) = 2.96, p = .007, d = 0.60, 95% CI [0.36, 2.05].