An Industrial Engineer Wants to Test the Effect of Three

question 8

Multiple Choice

An industrial engineer wants to test the effect of three different ways of assembling a part on the total assembly time.Five people are randomly assigned to each of the three assembly methods,and the total assembly time (in seconds) is recorded.The box plots for the three methods are shown below.

• A)Yes,all the groups look like they are normally distributed.
• B)Yes,the spreads look similar enough to proceed with the ANOVA.
• C)No,the spreads of the three groups look different.The response may need to be re-expressed before proceeding with the ANOVA.
• D)No,the centre line for method one is lower than the lines for methods two and three.
• E)Yes,the widths of the boxes are all the same.

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Definitions:

Expectancy-Value Theory

A psychological theory which explains motivation and behavior as a combination of an individual's beliefs about the likelihood of success and the value they place on that success.

Behavioral Expectations Approach

A perspective that focuses on how individuals’ expectations about the behavior of others can influence their own behavior in social interactions.

Value and Humanistic Psychologists

Psychologists who emphasize the inherent worth of individuals and the importance of personal growth and self-actualization.

Psychological Environment

The mental or emotional climate that influences an individual's perceived reality and well-being.