1 Which of the following is NOT one of the three fundamental features of science?a empirical questionsb public knowledgec mathematical equationsd 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 scientificb it has been discredited by scientific researchc it seems crazyd it refers to phenomena that cannot be directly observed 3 Research questions in psychology can come from which of the following?a previous researchb informal observationsc practical problems to be solvedd all of the above 4 Which of the following is a categorical variable?a eye colorb IQc number of lifetime sexual partnersd shoe size 5 A research methods student conducts a study on the relationship between peoples level of extroversion and the number of close friends they have. She computes Pearsons 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 Pearsons 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 studyb an experimentc an observational studyd a survey 7 The relationship between peoples heights and weights is positive.a Trueb False 8 In a negative relationship, higher scores on one variable are associated with lower scores on another variable.a Trueb False 9 Pearsons r cannot be negative.a Trueb False 10 What three groups must be taken into account in the consideration of the ethics of a research project?a societyb clinical practitionersc the scientific communityd research participants
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