In an Experiment,a Researcher Manipulates One Variable to See How

question 1

Multiple Choice

In an experiment,a researcher manipulates one variable to see how it affects a second variable.The second variable,which is observed for any possible effects,is called the __________.

• A)dependent variable
• B)control variable
• C)independent variable
• D)hypothetical variable

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Definitions:

Rejection

In statistics, typically refers to the act of rejecting the null hypothesis based on the outcome of a statistical test.

Level Of Significance

Refers to the threshold under which the null hypothesis is rejected in statistical testing, commonly denoted by alpha (α).

Hypothesis Testing

A statistical method that utilizes sample data to evaluate a hypothesis about a population parameter.

Type II Error

The error that occurs when a statistical test fails to reject a false null hypothesis.