The rank-order test that would be used in the same kind of research situation as a t test for dependent means is
A) the Wilcoxon signed-rank test.
B) the Wilcoxon rank-sum test.
C) the Kruskal-Wallis H test.
D) Spearman's rho.
A
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Automating an experiment can
a. greatly reduce the possibility of experimenter effects. b. be a source of an experimenter effect. c. eliminate the need for a control group. d. prevent the occurrence of a floor effect.
In a recent article, Keith-Spiegel and Koocher (2205) suggest that some researchers may be taking ethical shortcuts because
a. they perceive the IRB to be unfair. b. they are not aware that their research must be reviewed by an IRB. c. IRB reviews take too long. d. IRB reviews cost too much money.
Samuel was approached by a student who asked him to sign a petition supporting funding for an environmental program. Although Samuel had never thought much about environmental issues, he signed the petition. A week later, a different student approached Samuel and asked him to volunteer 1 hour per week to help start a recycling program and educate the community about environmental issues. Samuel
said he would do it. His compliance to the second request can best be explained using: a. self-perception theory b. cognitive dissonance theory c. social facilitation d. reciprocity
Throughout history, what was the average number of children women typically gave birth to?
1 to 3 || 4 to 8 || 9 to 12 || 13 to 15 || || ||