Premature Ejaculation Is

question 26

Multiple Choice

Premature ejaculation is

• A) extremely rare.
• B) very difficult to define because many things affect time to ejaculation.
• C) very easy to define because most men ejaculate at about the same stage of sexual relations.
• D) caused mainly by biological factors.

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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.