In a Research Study, a Random Sample Was Taken of a Binary

question 39

Multiple Choice

In a research study, a random sample was taken of a binary dependent variable and three independent variables hypothesized to be associated with the dependent variable. A statistical model was developed on the sample data, and the model was then applied to a validation sample. The results of the model were checked to see if the variable distributions were similar to the population from which the samples were taken. This check is related to which dimension of determining importance of results?

• A) measurement level
• B) external validity
• C) internal validity
• D) statistical significance

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Definitions:

Toothpaste

A paste or gel used with a toothbrush to clean and maintain the aesthetics and health of teeth.

New York City

A major city in the United States known for its significant cultural, financial, and media impact both nationally and internationally.

Likert Scale

A psychometric scale commonly involved in research that employs questionnaires, designed to measure attitudes by asking respondents to rate items on a level of agreement.

Wendy's Survey

A feedback tool used by Wendy's to collect customer opinions on their dining experience, often used to improve service and food quality.