You Conduct a Study That Examines the Role of Exercise

question 47

Multiple Choice

You conduct a study that examines the role of exercise on depression alleviation.You assign the first 50 people who are motivated to sign up to the experimental group,and the second group of 50 people,who sign up much later,to the control group.After one month,you find that the experimental group (who exercised three times a week on average) is significantly less depressed than the control group (who exercised one time a week on average) .Although you may be tempted to conclude that exercise helps stave off depression,you cannot because of a lack of ____ in your study.

• A)random sampling
• B)random assignment
• C)random surveying
• D)objectivity

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Definitions:

External Factors

Elements outside of an organization that can impact its operation, such as economic conditions, legal regulations, and social trends.

Evaluation Method

Specific procedures and strategies used to systematically assess the effectiveness, value, or performance of an object, person, or process.

BARS

Behaviorally Anchored Rating Scales, a method used in performance management that focuses on specific behaviors that illustrate various levels of performance.

Behavioural Methods

A range of techniques used in management and psychology to understand and influence individual actions in an organizational context, often for training or assessment purposes.