In a Study Using 8 Samples, and in Which the Population

question 46

Multiple Choice

In a study using 8 samples, and in which the population variance is unknown, the distribution that should be used to calculate confidence intervals is

• A) a t distribution with 9 degrees of freedom.
• B) a t distribution with 7 degrees of freedom.
• C) a standard normal distribution.
• D) a t distribution with 8 degrees of freedom.

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Definitions:

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed.

Variable-Ratio

Refers to a schedule of reinforcement where a response is reinforced after an unpredictable number of responses, which is used in behavior modification and operant conditioning.

Fixed-Interval

In the context of psychology, a schedule of reinforcement where rewards are given after a specific, constant amount of time has passed.

Stimulus Generalization

The tendency for a conditioned response to be triggered by stimuli similar to the original conditioning stimulus.