The T Statistic Is a Statistic That Assumes That the Variable

question 13

True/False

The t statistic is a statistic that assumes that the variable has a symmetric bell-shaped distribution and the mean is known; the population variance is estimated from the sample.

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Definitions:

Variable-interval

A reinforcement schedule where a response is reinforced after a variable and unpredictable time interval has occurred.

Variable-ratio

A schedule of reinforcement where a response is reinforced after an unpredictable number of responses. This schedule creates a high steady rate of responding.

Fixed-ratio

A schedule of reinforcement where a response is only reinforced after a specific number of responses, common in behaviorist psychology.

Fixed-interval

A schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed.