Robert Martinson Concluded That When Parolees and Non-Parolees Were Compared

question 135

True/False

Robert Martinson concluded that when parolees and non-parolees were compared, parole had at best only a delaying effect on recidivism.

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Definitions:

T-Score

A standardized score that describes how far an individual's score lies from the mean of a distribution, measured in standard deviation units.

Confidence Estimate

A range or single value derived from a sample statistic that covers an unknown population parameter with a certain confidence level.

T-Distribution

Is a type of probability distribution that is symmetric and bell-shaped, used in statistics when the sample size is small and the population standard deviation is unknown.

Degrees Of Freedom

The number of values in a calculation that are free to vary without violating any constraints, used to determine the shape of various statistical distributions.