A Psychologist Is Interested in Whether Hypnosis Affects Brain Dominance

question 102

Multiple Choice

A psychologist is interested in whether hypnosis affects brain dominance. Twelve college students from the freshmen class are randomly sampled for an experiment. The experiment has two conditions which are given on different days. In condition 1, the students are hypnotized and then given a test which measures the relative dominance of the right and left hemispheres. The higher the score, the more dominant is the right hemisphere. In condition 2, the same students are given the test again, only this time they are not hypnotized but are in their normal state of consciousness. The following scores are obtained. The null hypothesis appropriate for a nondirectional alternative hypothesis is _________.

• A) hypnosis does not increase right brain dominance
• B) hypnosis does not affect brain dominance
• C) hypnosis does not increase left brain dominance
• D) hypnosis affects brain dominance

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Definitions:

First Three Years

The initial period of time covering three consecutive years, often cited in contexts of growth, development, or performance assessment.

Compounded Monthly

The calculation of interest paid or earned, where the interest is added to the principal balance monthly, allowing the interest to be earned on interest.

Total Interest

The sum of all interest payments made over the life of a loan or credit.

Five-Year Period

A specific timeframe of five years used for planning, investment analysis, or as a measure of time.