Which of the Following Is True About Sample Size

question 45

Multiple Choice

Which of the following is true about sample size?

• A) An adequate sample size is particularly important to detect differences when they do in fact exist.
• B) Evaluating the possibility of a Type I error will help determine sample size.
• C) Finding a significant difference in study groups occurs most often with smaller samples.
• D) Sample size is especially important to support significant findings.

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Definitions:

External Events

Occurrences or situations originating outside an individual or system that can have significant effects on behavior or outcomes.

Internal Sensations

The perception of bodily functions, including pain, hunger, thirst, and the internal states of the body.

Adequate Sleep

The sufficient amount of sleep required for optimal health and functioning, varying by age and individual needs.

Circadian Rhythm

The internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.