1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations d systematic empiricism
2 A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three features of science and _____. a its adherents claim or imply that it is scientific b it has been discredited by scientific research c it seems “crazy” d it refers to phenomena that cannot be directly observed
3 Research questions in psychology can come from which of the following? a previous research b informal observations c practical problems to be solved d all of the above
4 Which of the following is a categorical variable? a eye color b IQ c number of lifetime sexual partners d shoe size
5 A research methods student conducts a study on the relationship between people’s level of extroversion and the number of close friends they have. She computes Pearson’s r, which comes out to be – 1.70. Which of the following is most clearly true? a The relationship between the two variables is weak. b More extroverted people have fewer friends. c She ought to use a bar graph to display her results. d She made an error in computing Pearson’s r.
6 When you want to show that Variable X has a direct effect on Variable Y, what is the best kind of study to conduct? a a non-experimental study b an experiment c an observational study d a survey
7 The relationship between people’s heights and weights is positive. a True b False
8 In a negative relationship, higher scores on one variable are associated with lower scores on another variable. a True b False
9 Pearson’s r cannot be negative. a True b False
10 What three groups must be taken into account in the consideration of the ethics of a research project? a society b clinical practitioners c the scientific community d research participants
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