1. A psychologist using the method of naturalistic observation would
a.carefully design controlled situations in which to observe behavior.
b.rely on observations of subjects' responses to questionnaires.
c.observe behavior as it happens outside the laboratory or clinic.
d.make records of the behavior of clients treated in therapy.

ANSWER:C
 
   
2. In a study of effects of alcohol on driving ability, the control group should be given
a.a high dosage of alcohol.
b.one-half the dosage given the experimental group.
c.a driving test before and after drinking alcohol.
d.no alcohol at all.

ANSWER:D
 
   
3. A scientific explanation that remains tentative until it has been adequately tested is called a(n)
a.theory.
b.law.
c.hypothesis.
d.experiment.

ANSWER: C
 
   
4.A study to determine the degree of relationship between two events is called
a.naturalistic observation.
b.the correlational method.
c.a controlled experiment.
d.the survey method.

ANSWER:B
 
   
5. __________ is an ability to evaluate, compare, analyze, critique, and synthesize information.
a.Critical thinking
b.Transductive thinking
c.Deductive thinking
d.Creative thinking

ANSWER:A
 
   
6. The phrase "a theory must also be falsifiable" means
a.researchers misrepresent their data.
b.a theory must be defined so it can be disconfirmed.
c.theories are a rich array of observations regarding behavior but with few facts to support them.
d.nothing.

ANSWER: B
 
   
7.The products of naturalistic observation are best described in terms of
a.explanation.
b.theory.
c.prediction.
d.description.

ANSWER:D
 
   
8.A teacher believes that one group of children is very bright and that a second is below average in ability. Actually, the groups are identical, but the first group progresses more rapidly than the second. This demonstrates
a.the self-fulfilling prophecy.
b.the placebo effect in a natural experiment.
c.observer bias in naturalistic observation.
d.the ethical problems of field experiments.

ANSWER:A
 
   
9. A psychologist observes the confrontation between two rival neighborhood gangs from the window of an abandoned building. This method of collecting observations is best described as
a.experimental regression.
b.naturalistic observation.
c.controlled experimentation.
d.clinical case study.

ANSWER:B
 
   
10. In an experiment to find out if taking ginseng increases IQ scores, the IQ scores would be
a.the independent variable.
b.a control variable.
c.an extraneous variable.
d.the dependent variable.

ANSWER:D
 
   
11.Which of the following is considered a disadvantage of naturalistic observation?
a.It provides an overabundance of information.
b.It deals with behavior not tampered with by outside influences.
c.It limits biased observations through careful record keeping.
d.It does not identify the cause of observed behavior.

ANSWER:D
 
   
12.Subjects are said to be assigned randomly when
a.they are assigned to experimental and control groups from a sample which is representative of the larger population.
b.they each have an equal chance of being assigned to either the experimental or control group.
c.they are assigned to experimental and control groups so that the groups differ on some critical variable before the experiment begins.
d.neither the experimenter nor the subject knows whether the subject is in the experimental or control group.

ANSWER: B
 
   
13.A psychologist watches the rapid eye movements of sleeping subjects and wakes them to find they report that they were dreaming. She concludes that dreams are linked to rapid eye movements. This conclusion is based on
a.pure speculation.
b.direct observation.
c.deduction from direct observation.
d.prior prediction.

ANSWER:C
 
   
14.To prevent ethical abuse in psychological research, the APA has suggested that
a.psychologists must treat all subjects with respect and concern for the subject's dignity.
b.psychologists must avoid deception with using human subjects.
c.all data collected from a person must be made public.
d.all psychological harm to subjects must be corrected by counseling.

ANSWER:A
 
   
15.A common method for selecting representative samples is to select them
a.randomly from the larger population.
b.strictly from volunteers.
c.by threatening or coercing institutionalized populations.
d.from confidential lists of mail order firms.

ANSWER:A
 
   
16. Three major ethical concerns of psychological researchers are deception, lasting harm to subjects, and
a.morality of the question under investigation.
b.loss of future research possibilities.
c.falsified results.
d.invasion of privacy.

ANSWER:D
 
   
17.An experimenter conducts an experiment on the effects of a drug to control hallucinations. He declares the results to be "statistically significant," which usually means that
a.even though appropriate statistics were used, no differences could be detected between experimental and control groups.
b.the results have important implications for theory or practice.
c.differences between experimental and control groups of this size occur by chance only 5 times out of 100 (or less).
d.differences between experimental and control groups were so large they could never occur by chance alone.

ANSWER:C
 
   
18.We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study in silence. Which of the following is an extraneous variable in this experiment?
a.the presence or absence of music
b.the students' test scores
c.the amount of time allowed for the studying
d.silence

ANSWER:C
 
   
19.The statistical technique that combines results of a large number of studies is called
a.experimental correlation.
b.statistical linear analysist.
c.meta-analysis.
d.hypothetical analysis.

ANSWER: C
 
   
20.An experiment is performed to see if background music improves learning. Two groups study the same material, one while listening to music and another without music. The independent variable is
a.learning.
b.the size of the group.
c.the material studied.
d.music.

ANSWER:D
 
   
21. The chief function of the control group in an experiment is that it
a.allows mathematical relationships to be established.
b.provides a point of reference against which the behavior of the experimental group can be compared.
c.balances the experiment to eliminate all extraneous variables.
d.is not really necessary.

ANSWER:B
 
   
22. Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?
a.-0.98
b.0.90
c.0.00
d.1.20

ANSWER:A
 
   
23.The most powerful research tool is a (an)
a.clinical study.
b.experiment.
c.survey.
d.correlational study.

ANSWER:B
 
   
24.A major disadvantage of the experimental method is that
a.private funding can never be obtained.
b.APA Ethical Review Committees often do not approve of the research techniques.
c.there is a certain amount of artificiality attached to it.
d.subjects are difficult to find for research projects.

ANSWER:C
 
   
25.A researcher determines that the crime rate in a large city fluctuates with the phases of the moon. He concludes that the gravitational pull of the moon influences human behavior. He has committed what error?
a.He incorrectly inferred correlation from causation.
b.He incorrectly inferred causation from correlation.
c.He failed to measure the gravitational pull to test his hypothesis.
d.He has overlooked the placebo effect.

ANSWER:B
 
   
26.Students who do better in high school tend to do better in college. This is an example of
a.a negative correlation.
b.a zero correlation.
c.a positive correlation.
d.a perfect correlation.

ANSWER:C
 
   
27.In the traditional learning experiment, the effect of practice on performance is investigated. Performance is the __________ variable.
a.independent
b.extraneous
c.dependent
d.control

ANSWER:C
 
   
28.Collection of observable evidence, precise definition, and replication of results all form the basis for
a.scientific observation.
b.the scientific method.
c.defining a scientific problem.
d.hypothesis generation.

ANSWER:B
 
   
29.An advantage of the experimental method in psychology is
a.the identification of a cause- and-effect relationship.
b.similar to the correlational method in that causality is determined.
c.that the surroundings are always similar to real life experiences.
d.that it is an informal way to investigate behavior.

ANSWER:A
 
   
30.A correlation coefficient of 0 means that there is
a.a strong negative relationship between the two variables.
b.a strong positive relationship between the two variables.
c.a perfect positive relationship between the two variables.
d.no relationship between the two variables.

ANSWER: D