If a Variable Such as Sexual Orientation Is Not Open

question 41

Multiple Choice

If a variable such as sexual orientation is not open to manipulation, then

• A) researchers must choose more than two levels of this variable to have a valid experiment.
• B) the dependent variable must be operationally defined or the experiment is invalid.
• C) both subject and independent variables must be controlled.
• D) researchers cannot conduct an experiment using this variable as an independent variable.

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Definitions:

Process Sampling

The technique of selecting a sample of elements from a process for analysis, to determine the quality or performance of the process.

Acceptance Sampling

A statistical quality control method used to determine whether to accept or reject a batch of products based on a sample of items from the batch.

Process Capability Index

A statistical measure of a process's ability to produce output within specified limits.

C-Chart

A quality control chart used to control the number of defects per unit of output.