A Certain Test Has Been Found to Have an SD

question 50

Short Answer

A certain test has been found to have an SD of 50 and a standard error of measurement of 32. Using the Rulon formula, find the rtt (reliability value) for the test.

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Definitions:

Free-Running Rhythm

Rhythm of the body’s own devising in the absence of all external cues.

Zeitgeber

Environmental event that entrains biological rhythms; German for “time giver.”

Entrained

The synchronization of an organism's circadian rhythms to that of an external rhythm in its environment.

Biological Rhythms

Natural cycles of physical, mental, and behavioral changes that follow a periodic, predictable pattern, such as circadian rhythms or menstrual cycles.