Chapter 07 True/False Quiz

. Experiments are used primarily for exploratory research - to develop hypotheses.

. When the results of an experiment are statistically significant, they are unlikely to be due to random processes such as random assignment.

. Experiments tend to be high in internal validity.

. Random assignment increases the external validity of an experiment.

. Most experiments use convenience samples.

. The cover story is provided after the manipulation of the independent variable but before the measurement of the dependent variable.

. Experimenters in the bystander intervention experiment performed a manipulation check by asking subjects if they were willing to help the victim of the seizure.

. Impact experiments such as the bystander intervention study tend to be high in experimental realism.

. The best way to control for demand characteristics and evaluation apprehension is to remind subjects that they are in a scientific experiment.

. Field experiments reduce or eliminate reactive measurement effects.

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