True or False: The statistical test that we use to compare more than two independent groups assesses whether any of the groups differ.
a. True
b. False
Ans: A
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In general, what characteristics of the difference scores are most likely to produce a significant t statistic for the repeated-measures hypothesis test?
a. A large number of scores and a large variance b. A large number of scores and a small variance c. A small number of scores and a large variance d. A small number of scores and a small variance
Heat stroke frequently occurs due to a. wearing heavy clothing and engaging in strenuous activity. b. pyrogens released by disease-causing organisms
c. genetic predispositions to problems regulating temperature. d. drinking large quantities of fluid.
Jace and Janna disagree with the speaker but are fearful of saying anything because they are worried they will be rejected. This is characteristic of the spiral of silence.
Answer the following statement true (T) or false (F)
Debriefing might be delayed if the researcher fears that it
a. would increase a participant's susceptibility to risk during the course of a study. b. could inform potential participants about the nature of the study before it is completed. c. might interfere with his or her measurement of the dependent variable. d. is truly unnecessary to tell participants about the true nature of the study. e. might interfere with the matching of participants.