Two observers record similar observations on a behavioral rating scale for a group of children they are watching. the researchers have established what kind of reliability?
a. split-half reliability
b. internal reliability
c. test-retest reliability
d. inter-rater reliability

Pick a famous politician, business leader, or celebrity who has been arrested recently. what crime did he or she allegedly commit? who was the victim? what factors best explain how this person might be punished if convicted? if the person was recently tried in what was the outcome? do you agree or disagree and why?

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914