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This work critiques the three-variance approach to joint variance, questioning its effectiveness and teaching value.

The Joint Variance: A Comment.

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This comment evaluates the effectiveness of the joint variance approach in managerial control principles, suggesting an alternative model's merit.

This work critiques the three-variance approach to joint variance, questioning its effectiveness and teaching value.
Reviews E.V. McIntyre's concept of joint variance
Evaluates the three-variance approach against the two-variance model
Discusses managerial considerations in model evaluation
Argues that joint variance may lack practical significance in managerial control
Indicates that the two-variance model offers a clearer interpretation of joint variance
Highlights the importance of understanding organizational functions in model applicability

Roswell Marion Piper (1977) studied this question.

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This comment evaluates the effectiveness of the joint variance approach in managerial control principles, suggesting an alternative model's merit.