Which One of the Following Best Describes Psychologists' Current Beliefs

question 2

Multiple Choice

Which one of the following best describes psychologists' current beliefs about the brain and learning?

• A) Learning involves changes in synapses and possibly also involves the growth of new neurons and astrocytes.
• B) Large doses of certain vitamins promote brain growth and lead to more rapid learning.
• C) Left-hemisphere-dominant individuals are, on average, more effective learners than right-hemisphere-dominant individuals.
• D) The brains of rapid learners are about 20% larger than the brains of slower learners.

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Definitions:

Population Proportion

The ratio of members in a population that have a particular attribute, often estimated from sample data.

Chi-squared Test

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorical datasets.

Chi-squared Distribution

A statistical distribution that is used primarily in hypothesis testing and is derived from the sum of squared standard normal deviates.

Proportion

A statistical measure that indicates the fraction of the total number of items in a certain category or characteristic.