In an Effort to Improve Productivity in Its Factory,a Firm $\alpha$

question 80

Multiple Choice

In an effort to improve productivity in its factory,a firm recently instituted a training program for its workers.One of the work crews consisted of 14 workers.Seven workers from this crew were selected at random to attend the training course.All seven workers selected successfully completed the training course.The remaining seven workers served as a control group and did not attend the training course.Three months after the training course,a foreman who did not know which employees attended the training course was asked to rank all 14 employees in terms of their productivity.A rank of 14 indicates the most productive employee in the crew while a rank of one indicates the least productive worker.
At $\alpha$ = .05,can it be concluded that training was beneficial in improving productivity?

• A)Reject the null hypothesis,training is beneficial
• B)Fail to reject the null hypothesis,cannot determine if the training makes a difference

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Definitions:

Survey

A method of gathering information from a sample of people, traditionally by asking questions, to generalize the results from the sample to a larger population.

Data Entry

The process of inputting data into a computer system, database, or documentation platform.

Constructs

Broad concepts or categories used to organize and interpret observations, often fundamental in psychological theories and research.

Psychological Attributes

Characteristics or qualities of an individual's mental life, including cognitive, emotional, and personality traits.