In an Effort to Prevent Participants in an Experiment from Trying

question 296

Multiple Choice

In an effort to prevent participants in an experiment from trying to confirm the researchers' predictions,psychologists sometimes

• A) obtain written promises from participants to respond honestly.
• B) treat information about individual participants confidentially.
• C) deceive participants about the true purpose of an experiment.
• D) allow people to decide for themselves whether they want to participate in an experiment.

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Definitions:

Sampling Distribution

The probability distribution of a given statistic based on a random sample.

Central Limit Theorem

A statistical theory that states that the sampling distribution of the sample mean will approach a normal distribution as the sample size becomes larger, regardless of the shape of the population distribution.

Test Statistic

A calculated value from statistical test data used to determine whether to reject the null hypothesis in favor of the alternative hypothesis.

Average Amount

The sum of a set of numerical values divided by the count of values, typically used to find the central or typical value in a data set.