Chapter 9 Self-Grading Quizzes

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. A group of subjects exposed to the intervention of interest in an experiment is a(n) ______.

control group correct incorrect

experimental group correct incorrect

random group correct incorrect

stratified group correct incorrect

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. Two of the elements that make experiments different from other types of research are planned intervention and __________.

random assignment correct incorrect

random selection correct incorrect

internal validity correct incorrect

external validity correct incorrect

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. The treatment intervention, or ________, is given to the treatment group in order to measure its effect.

placebo correct incorrect

factor correct incorrect

level correct incorrect

stimulus correct incorrect

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. The parameters being manipulated by the experimental design are referred to as:

placebos correct incorrect

factors correct incorrect

levels correct incorrect

stimuli correct incorrect

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. The group who does not receive the stimuli being tested, and who receives a placebo instead, is called the ___________.

control group correct incorrect

experimental group correct incorrect

random group correct incorrect

stratified group correct incorrect

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. Which type of experiment is most appropriate when the phenomenon under investigation is hard to identify in real life?

Field experiment correct incorrect

Laboratory experiment correct incorrect

Natural experiment correct incorrect

Survey experiment correct incorrect

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. If something exogenous to the causal relationship under investigation created a situation similar to if an experimental treatment had been put in place, researchers can study it as a ______.

Field experiment correct incorrect

Laboratory experiment correct incorrect

Natural experiment correct incorrect

Survey experiment correct incorrect

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. In a ______, participants are given an activity, exposed to the treatment, and then asked to do the activity to measure the difference.

within-subjects design correct incorrect

between-subjects design correct incorrect

factorial design correct incorrect

multi-level design correct incorrect

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. In a factorial design, sample sizes must be __________ in order to ensure adequate statistical power.

smaller correct incorrect

larger correct incorrect

the same correct incorrect

more diverse correct incorrect

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. The challenge that researchers will overestimate their ability to manage all the elements at work in experimental research is called ____________.

the fundamental problem of casual inference correct incorrect

the classic experimental design correct incorrect

the illusion of total control correct incorrect

the do no harm principle correct incorrect

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. A double-blind design is an experiment in which both subjects and treatment administrators are unaware of the effect being tested.

True correct incorrect

False correct incorrect

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. A split-ballot design is a method involving conducting an experiment in real world environments.

True correct incorrect

False correct incorrect

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. Experiments are particularly valuable for demonstrating causation while removing confounding variables.

True correct incorrect

False correct incorrect

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. The fundamental problem of causal inference is that we cannot observe a given case in both treated and untreated states.

True correct incorrect

False correct incorrect

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. Every experiment has the same number of levels, but a varying number of factors.

True correct incorrect

False correct incorrect

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. Survey experiments have low internal validity but high external validity.

True correct incorrect

False correct incorrect

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. Experiments pose fewer ethical challenges than observational research.

True correct incorrect

False correct incorrect