Simplify: 6 + - 4

question 69

Multiple Choice

Simplify: 6 + - 4

• A) 46
• B) 18
• C) 24
• D) 4
• E) 8

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Definitions:

Internal Validity

The certainty with which results of an experiment can be attributed to the manipulation of the independent variable rather than to some other, confounding variable.

Ceiling Effect

Failure of a measure to detect a difference because it was too easy (also see floor effect).

Strongest Manipulation

In experimental research, the use of the most extreme or powerful version of the independent variable to assess its effects.

Nonsignificant Findings

Results of a statistical analysis that do not meet the criteria for significance, indicating that any observed effect might be due to chance.