Question : 131. In an experiment, one group of children given a drink : 1176011

 

 

131.

In an experiment, one group of children is given a drink each day with a special vitamin supplement. A second group of children is given the same drink but without the vitamin. Later, all children are given an IQ test to see if the vitamin had an effect on intelligence. In this experiment, the children’s scores on the IQ test would be the

A.

independent variable.

B.

cross-sequential variable.

C.

dependent variable.

D.

control variable.

 

 

 

132.

In a study of the effects of behavior modeling, one group of children observes role models who share toys; another group observes role models whose behavior is neutral (neither initiating sharing nor refusing to share). What is the independent variable?

A.

Observing role models who share or don’t share

B.

Observing negative role models

C.

The group with neutral role models

D.

The group with sharing role models

 

 

 

133.

A group of children is given special training on how to handle their anger. A second group is treated the same as the first group except for the fact that these subjects do not receive the special training. The group given the training is the __________ group and the group given no training is the __________ group.

A.

experimental; control

B.

control; experimental

C.

dependent; independent

D.

independent; dependent

 

 

 

134.

The chief advantage of experimental methods is that they are

A.

more flexible than other methods.

B.

more generalized than other methods.

C.

more descriptive of real-life events.

D.

better able to determine cause and effect.

 

 

 

135.

Experimenters can ensure results that are representative of a given population through

A.

random selection.

B.

random assignment.

C.

controlling for all relevant variables.

D.

convenience sampling.

 

 

 

136.

A researcher who studies twins accidentally separated at birth and reared in different environments is using a

A.

laboratory experiment.

B.

field experiment.

C.

natural experiment.

D.

correlation experiment.

 

 

 

137.

A quasi-experiment is most closely related to a(n)

A.

ethnographic study.

B.

correlational study.

C.

case study.

D.

experiment.

 

 

 

138.

Dr. Gearhart is hopeful that her research results will be verified by others through replication. If she wishes her work to be replicated most accurately, what research technique should she use?

A.

Natural experiment

B.

Laboratory experiment

C.

Case study

D.

Cross-sectional naturalistic observation

 

 

 

139.

The greatest difference between a laboratory experiment and a field experiment is the degree of

A.

control.

B.

manipulation.

C.

random assignment.

D.

correlation.

 

 

 

140.

Which of the following is a shortcoming of the laboratory experimental approach to understanding human development?

A.

It is often difficult to randomly assign subjects to different treatment conditions.

B.

Experiments rarely inform us about cause-and-effect relationships.

C.

This technique does not work well for the study of aggression.

D.

The results may not be applicable outside the experimental situation.

 

 

 

 

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