A Researcher Wishes to Study the Effects of Effective Sleep

question 28

Multiple Choice

A researcher wishes to study the effects of effective sleep hygiene on sleep quality and behavior among children diagnosed with attention deficit disorder.To minimize mono-operation bias,the researcher will

• A) accurately describe conceptual and operational definitions.
• B) adequately discuss construct validity in the introduction.
• C) evaluate multiple sleep hygiene techniques.
• D) utilize a double-blind data collection methodology.

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Definitions:

T-Distribution

A probability distribution that arises in the sampling distribution of sample means, especially useful when the sample size is small and the population variance is unknown.

Population Mean

The average value of all members of a defined set of people, objects, events, or values of interest.

T Distribution Table

A table used in statistics that shows the critical values of the t-distribution, aiding in hypothesis testing and confidence interval estimation.

Degrees Of Freedom

A concept in statistical analysis that represents the number of values in a calculation that are free to vary without violating any given constraints.