During an Experiment, You Record the Brain Activity of a Child

question 83

Multiple Choice

During an experiment, you record the brain activity of a child using an EEG. As a result of reading your text, you would predict that the left hemisphere would exhibit the most electrical activity when the child is

• A) looking at different faces.
• B) listening to someone talk.
• C) recognizing that her mother is angry.
• D) pushing a toy over her bed.

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Definitions:

Population Variance

A measure of the spread of a population’s data points, indicating the average of the squared differences from the mean.

Chi-square Distribution

A statistical distribution used in hypothesis testing that is applicable when testing hypotheses about categorical variables.

Population Variance

A measure of the spread or distribution of a set of data values within an entire population.

Confidence Interval

A selection of values, extracted from sample analyses, believed to encompass the value of an unseen population parameter.