In Experimental Research, the Variable That Is the Cause of Change

question 26

Multiple Choice

In experimental research, the variable that is the cause of change (the independent variable) must precede that which is changed (the dependent variable) . This condition is called ________.

• A) reliability
• B) rapport
• C) random selection
• D) temporal priority

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Definitions:

P Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is true.

Statistical Power

Probability of rejecting the null hypothesis when the alternative hypothesis is true.

Nonparametric Tests

Statistical tests that do not assume a specific distribution of the data, often used when data doesn't meet assumptions necessary for parametric testing.