David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing $\alpha$

question 57

Multiple Choice

David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing (MBM) , is reviewing the employee training programs of MBM factories.Based on a recent census of personnel, David knows that the variance of worker training time in New Brunswick is 8, and he wonders if the variance in Nova Scotia is the same number.His staff randomly selected personnel files for 15 workers in Nova Scotia, and determined that their mean training time was 25 hours and that the standard deviation was 4 hours.Assume that worker training time is normally distributed in the population.Using $\alpha$ = 0.10, the appropriate decision is ___.

• A)increase the sample size
• B)reduce the sample size
• C)do not reject the null hypothesis
• D)maintain status quo
• E)reject the null hypothesis

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Definitions:

Punishment

The application of an aversive stimulus following a response in an effort to decrease the likelihood that the response will recur.

Positive Reinforcement

A method in behavioral psychology where the introduction of a rewarding stimulus following a desired behavior increases the likelihood of its recurrence.

Operant-Conditioning

A method of learning in which behavior strength is altered via rewards or penalties.

Skinner Box

A controlled environment used to study animal behavior, named after B.F. Skinner, an American psychologist.