Jean Is a Psychologist Who Studies the Changes That Take

question 119

Multiple Choice

Jean is a psychologist who studies the changes that take place in people over the course of their lifespans. Jean most likely specializes in ________ psychology.

• A) cross-cultural
• B) health
• C) social
• D) developmental

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Definitions:

Confidence Interval

A statistical range, with a given probability, that contains the true parameter of the population.

Mean

The mean is the average of a set of numerical values, calculated by summing all the values and dividing by the count of the values.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values from the mean.

Mean

The average value of a set of numbers, calculated by dividing the sum of these numbers by the count of numbers in the set.