Which Variable in an Experiment Is Manipulated by the Researcher

question 22

Multiple Choice

Which variable in an experiment is manipulated by the researcher?

• A) Dependent variable
• B) Extraneous variable
• C) Moderating variable
• D) Independent variable
• E) Mediating variable

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Definitions:

Quantitative Forecasts

Predictions about future events, primarily based on numerical data and using statistical modeling techniques.

Qualitative Forecasts

Forecasting methods that use expert judgement rather than numerical data to predict future events or trends.

Delphi Technique

A method used for collecting and distilling the collective expertise of a group of experts through rounds of questionnaires, often used in forecasting and decision making.

Regression Analysis

A statistical method used to examine the relationship between one dependent variable and one or more independent variables.