Riboflavin Is One of the

question 23

Multiple Choice

Riboflavin is one of the

• A)C vitamins.
• B)D vitamins.
• C)B vitamins.
• D)E vitamins.

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Stimulus Variable

A Stimulus Variable is a factor in an experiment that can be changed or manipulated to observe its effects on the outcome.

Control Variable

A variable that is kept constant or unaltered in an experiment to ensure that the effects observed are due to the independent variable.

Questionnaire

A research instrument composed of a series of questions and other prompts for the purpose of gathering information from respondents.