Dr Cartwright Studies Sleeping Patterns of Individuals Who Are Having

question 77

Multiple Choice

Dr. Cartwright studies sleeping patterns of individuals who are having difficulty sleeping. These patients come into his office and spend the night attached to monitors and cameras, and then Dr. Cartwright analyzes their sleep patterns. This is an example of a(n) :

• A) naturalistic observation.
• B) case study.
• C) laboratory observation.
• D) exploratory observation.

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Definitions:

SRS

Simple random sampling, a basic probabilistic method ensuring each member of a population has an equal chance of being included in the sample.

Statistically Significant

Refers to a result that is unlikely to have occurred by chance alone, according to a predefined significance level, often indicating a strong evidence against the null hypothesis.

Hypotheses

Plural of hypothesis; propositions or assumptions made for the sake of argument that are tested through research or experimentation to be proven or disproven.

Z Statistic

The Z statistic is a measure used in statistics to describe the distance in standard deviations a data point is from the mean of a data set.