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Taking a Broader Perspective: the Problem of External Validity Harris

question 51

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Taking a Broader Perspective: The Problem of External Validity Harris and Rosenthal (1985) combined the results of several studies of the Rosenthal effect and found that it was strong and consistent in experiments testing the effects of teacher expectancies.Which technique did they use?


Definitions:

Machine-Hours

A measure of the amount of time a machine is operated, often used as a basis for allocating manufacturing overhead costs in job-order and process costing systems.

Manufacturing Overhead

All indirect costs related to the manufacturing process, including costs for utilities, rent, and maintenance, that are not directly tied to production.

Predetermined Overhead Rate

A rate used to allocate manufacturing overhead costs to products or job orders, calculated by dividing estimated overhead costs by an allocation base.

Machine-Hours

A measure of production time, representing the hours a machine is operated within a given period.

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