A-teacher-expects-that-her-student-will-be-shy-so-she-doesn-t-speak-much-to-him

QUESTION 1

A teacher expects that her student will be shy, so she doesnâ€t speak much to him. Because she doesnâ€t speak to him, he doesnâ€t talk much. When people behave in ways that make a prediction come true, it is called:

a. Self-fulfilling prophecy.

b. Observer bias.

c. Single-blind experiment.

d. Naturalistic observation.

10 points SAVED

QUESTION 2

A _________ is a small group that accurately reflects a larger population by including the same proportion of men, women, young, old, professionals, blue-collar workers, Republicans, Democrats, whites, African Americans, Native Americans, Latinos, Asians, and so on as found in the population as a whole.

a. Correlational group.

b. Control group.

c. Representative sample.

d. Balance-bias sample.

10 points SAVE ANSWER

QUESTION 3

In an experiment to find out whether taking vitamins increases IQ scores, the IQ scores would be:

a. The independent variable.

b. A control variable.

c. An extraneous variable.

d. The dependent variable.

10 points SAVE ANSWER

QUESTION 4

For the numbers 10, 19, 2, 9, and 15, the range is:

a. 17.

b. 11.

c. 15.

d. 10.

10 points SAVE ANSWER

QUESTION 5

A statistical technique called ___________ can be used to combine the results of many studies, as if they were all part of one large study.

a. Meta-analysis

b. The natural clinical test.

c. The standard error of measurement.

d. Double-blind experimental analysis.

10 points SAVE ANSWER

QUESTION 6

A way to increase the credibility of results of an experimental study is to

a. Replicate the study.

b. Use random assignment when assigning participants to groups.

c. Use double-blind methods when dispensing treatment.

d. All of the above.

10 points SAVE ANSWER

QUESTION 7

An educated guess about the likely outcome of an experiment is the:

a. Research question.

b. Dependent variable.

c. Hypothesis.

d. Theory.

10 points SAVE ANSWER

QUESTION 8

When an experimenter unwittingly influences research participants so that they behave in ways consistent with the experimenterâ€s hypothesis, ___________ has occurred.

a. Researcher bias.

b. The placebo effect.

c. Anthropomorphic bias.

d. The extraneous effect.

10 points SAVE ANSWER

QUESTION 9

The Reeds have five children aged 2, 6, 9, 11, and 14. The median age of the Reed children is:

a. 3.

b. 9.

c. 6.

d. 7.

10 points SAVE ANSWER

QUESTION 10

An advantage of the correlational method is that:

a. It can determine cause and effect.

b. It goes in depth to understanding one or a few people.

c. It can establish that relationships exist between variables that may be difficult to study in a lab.

d. It allows for the study of rare events.

 

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