A Study Compares the Means of Two Groups, Each Having

question 44

Multiple Choice

A study compares the means of two groups, each having N = 10. If the standard deviations in the two groups are 3.00 and 5.00, what is the value for the standard error of the difference ?

• A) .89
• B) 1.84
• C) 3.40
• D) 8.00

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Definitions:

Participants

Individuals who take part in a particular process, study, or event.

Confounded

Confusion or a mix-up, especially in experimental results, caused by unexpected variables affecting the outcome.

Experimenter Bias

A form of bias introduced by the expectations or beliefs of the experimenter affecting the outcomes of an experiment.

Flinch

A quick, involuntary movement or draw back, often from fear or pain.