While There Have Only Been a Few Studies of the Brain

question 13

Multiple Choice

While there have only been a few studies of the brain structures of same and different sex-orientation, the most promising - and controversial - by LeVay have found differences in the ___________ that may be correlated with sexual orientation.

• A) cerebral cortex
• B) hypothalamus
• C) pineal gland
• D) cingulate

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Definitions:

T-Distribution

A type of probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Confidence Intervals

Statistical intervals that estimate where a population parameter, based on sample data, is expected to lie, including a range of possible values.

Standard Error

A measure of the precision or variability of a sample statistic estimate of a population parameter.

Level Of Significance

Level of significance is a threshold in hypothesis testing that determines whether the null hypothesis can be rejected, typically expressed as a probability value (e.g., 0.05).