In a Meditation Training Study Where Participants Learned to Meditate

question 193

Multiple Choice

In a meditation training study where participants learned to meditate in an 8-week course, it was found that:

• A)cortical thickness was negatively correlated with meditation experience.
• B)meditation does not alter the brain.
• C)the new meditators showed gray-matter density decreases in several cortical areas.
• D)the new meditators showed gray-matter density increases in several cortical areas.

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Definitions:

Sampling Bias

A systematic error that occurs when a sample is not representative of the population from which it is drawn, leading to skewed and unreliable results.

Sampling Error

The error caused by observing a sample instead of the whole population, leading to a difference between the sample statistic and the population parameter.

Population Parameters

Quantitative characteristics of a population, such as mean or standard deviation, derived from measurements of the individuals within the population.

NonSampling Error

Errors that occur during data collection or processing but are not related to the act of selecting a sample from the population.