An Attribute Variable Is

question 79

Multiple Choice

An attribute variable is

• A) one that subjects possess at the beginning of a study.
• B) an independent variable that is extraneous to the purpose of the study.
• C) directly manipulated by the investigator.
• D) a and b
• E) b and c

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Definitions:

Null Hypotheses

A hypothesis that suggests no significant difference or effect, typically representing a default or initial assumption for statistical testing.

Alternative Hypotheses

The hypothesis that suggests there is a statistically significant difference between two or more sets of data, contrasted against the null hypothesis.

Significance Level

In hypothesis testing, it represents the probability of rejecting the null hypothesis when it is actually true, typically set before the data analysis.

Hypotheses

Assumptions or predictions that a study sets out to test within its given framework.