A variable that produces an interaction of the relationship between two other variables such that the relationship between them is different at different levels of that variable is a
a. moderator variable.
b. mediator variable.
c. extraneous variable.
d. confounding variable.
a
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A time machine provides you with the opportunity to interview Sigmund Freud. During the interview, Freud admits that he never wanted to attend medical school. When you ask him how he made it through, he says, "I had eidetic imagery."
What does he mean by that? a) He relied on the ability to associate odd images with material he needed to remember. b) He had a ‘photographic memory', which helped him remember the material he had to learn. c) He was able to imagine how cells in a patient's body were acting when he prescribed drugs and, thus, he could adjust dosages. d) In order to remember the long list of diseases he would encounter, he created drawings that helped him remember.
Children under six years of age
a. understand that death is permanent b. think that heaven is a place that can be returned from c. realize that death happens to everyone d. understand that death is biological
Which of the following is a potential source of error in a measure?
a. The way an item is phrased b. Variations in an observer's attention c. Distractors present when observations are made d. All of these answers are correct
A researcher predicted that an independent variable would produce a difference between a treatment and a control group for the dependent variable. The statistical test resulted in a "statistically significant" difference. This finding
A. proves the null hypothesis is false. B. supports the null hypothesis. C. proves the researcher's hypothesis. D. supports the researcher's hypothesis.