The Null Hypothesis for a Nondirectional H 1 Using the T

question 69

Multiple Choice

The null hypothesis for a nondirectional H 1 using the t test for correlated groups asserts that _________.

• A) µ 1 - µ 2 = 0
• B) µ D = 0
• C) = 0
• D) D - = 0
• E) none of these

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Definitions:

Original Experiments

Experimental studies or research designed to test hypotheses by manipulating variables in a controlled environment for the first time.

Polarizing Impact

The effect of intensifying differences and divisions within a group or between groups, often leading to a heightened state of conflict or disagreement.

Group Polarization

The phenomenon that occurs when a group's prevailing attitudes or decisions become more extreme following group discussion.

Extreme Decisions

Choices or judgments that are significantly different from the norm, often involving high risk or unconventional solutions.