A Researcher Reports That the Mean Time It Takes to Complete

question 30

Multiple Choice

A researcher reports that the mean time it takes to complete an experimental task is 1.4±8.0 (M±SD) seconds.If the null hypothesis was that the mean equals 1.0,then what is the effect size for this test using estimated Cohen's d?

• A)d = 0.05;small effect size
• B)d = 0.50;medium effect size
• C)d = 1.05;large effect size
• D)There is not enough information to answer this question.

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Definitions:

Closer

A term or concept that seems to lack a clear definition in the specified context, suggesting a possible error or non-relevance. NO.

Production Possibilities Curves

A graphical representation showing the maximum number of goods or services that can be produced when efficiently utilizing resources.

Overfarmed

A condition where land is used for agriculture to an excessive extent, leading to degradation of soil quality and diminished crop yields.

Overgrazed

Describes land that has been excessively used by grazing animals, leading to environmental degradation.