Under what conditions can an experimenter be confident that X is the cause of Y if two variables, X and Y, are strongly correlated?
A) if people are randomly assigned to levels of X in a true experiment
B) if people are randomly assigned to levels of Y in a true experiment
C) if X is measured before Y
D) if Y is measured before X
A
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Which of the following emotions might Sven, an exchange student from Europe, have the most difficulty recognizing in his Peruvian hosts?
A. Surprise B. Happiness C. Anger D. Jealousy
An age-group is an example of which kind of variable?
A. ordinal B. categorical C. ratio D. continuous
Researchers turn life stories into data by which of the following methods?
A. Judging transcripts of interview recordings B. Computing scores on an inventory C. Judging pictures of significant life events D. None of the above
Critical incident program sessions occur within 72 hours and are ________ hours long
a. 1-2 b. 2-3 c. 3-4 d. 4-5 e. 5-6