An Exercise Psychologist Is Interested in Using a Quasi- Experimental

question 13

Essay

An exercise psychologist is interested in using a quasi- experimental design to examine the effects of exercise on depression in young children with osteopenia.What threats to internal validity could be result from this study for the exercise psychologist when interpreting the data? What is the major reason why these threats to internal validity exist in this study?

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Definitions:

Direct Method

An approach to allocate service department costs directly to producing departments without reciprocal services considered.

Sales Revenue

The total amount of money generated from the sale of goods or services by a company before any expenses are subtracted.

Accounts Receivable

Amounts owed to a company by its customers for goods or services that have been delivered or used but not yet paid for.

Direct Method

A financial accounting method that allocates service department costs directly to producing departments without intermediate allocations.