59. In an experiment to test the effects of anxiety on performance, the dependent variable is the ________.
a. amount of anxiety
b. age of the person
c. person's performance
d. cause of the anxiety
Answer c % correct 76 a= 18 b= 1 c= 76 d= 5 r = .30
60. A scientist, conducting a research study on sleep and learning, questions her own objectivity and decides to let a third person, not associated with conducting the experiment, score the tests. The scientist is probably trying to eliminate ________ bias.
a. experimenter
b. sample
c. control
d. treatment
Answer a % correct 95 a= 95 b= 2 c= 3 d= 1 r = .25
61. Psychologists use research techniques based on ________.
a. inductive reasoning
b. objective introspection
c. deductive reasoning
d. the scientific method
Answer d % correct 86 a= 6 b= 3 c= 5 d= 86 r = .36
62. Research in which a carefully selected group of people is asked a set of predetermined questions in interviews or through questionnaires is known as ________ research.
a. correlational
b. case study
c. survey
d. experimental
Answer c % correct 83 a= 4 b= 13 c= 83 d= 0 r = .20
63. In an experiment, a researcher manipulates one variable to see how it affects a second variable. The second variable, which is observed for any possible effects, is called the ________ variable.
a. dependent
b. control
c. independent
d. hypothetical
Answer a % correct 78 a= 78 b= 8 c= 9 d= 4 r = .47
64. A psychologist, studying pilot trainees, picks a select group of trainees who are hopefully representative of all other trainees. The group of trainees being studied by this psychologist are collectively known to researchers as a ________.
a. sample
b. population
c. target group
d. control group
Answer a % correct 81 a= 81 b= 8 c= 7 d= 4 r = .46
65. In a controlled experiment, the group subjected to a change in the independent variable is called the ________ group.
a. independent
b. experimental
c. dependent
d. control
Answer b % correct 77 a= 2 b= 77 c= 9 d= 12 r = .34
66. A subset of cases selected from a larger population is a ________.
a. control group
b. target group
c. treatment group
d. sample
Answer d % correct 89 a= 1 b= 9 c= 1 d= 89 r = .28
67. If explanation of the causes of thoughts, feelings, and behavior is a psychologist's goal, then the ________ method of research should be used.
a. correlational
b. experimental
c. survey
d. naturalistic observation
Answer b % correct 45 a= 15 b= 45 c= 14 d= 26 r = .52
68. In a controlled experiment, the group not subjected to a change in the independent variable, and used for comparison with the group receiving the experimental change, is the ________ group.
a. independent
b. experimental
c. dependent
d. control
Answer d % correct 90 a= 3 b= 4 c= 4 d= 90 r = .42
69. In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the:
a. dependent variable.
b. experimental variable.
c. independent variable.
d. placebo.
Answer c % correct 80 a= 14 b= 5 c= 80 d= 1 r = .45
70. A weakness of ________ is that subjects participating in the research often report, consciously and unconsciously, inaccurate information.