The Difference Between a Four-Year-Old's and a Nine-Year-Old's Use of Pronouns

question 18

Multiple Choice

The difference between a four-year-old's and a nine-year-old's use of pronouns is that

• A) four-year-olds only refer to themselves.
• B) four-year-olds refer to things in the world.
• C) nine-year-olds generally refer to their peers.
• D) nine-year-olds refer to things in the world. START HERE

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Definitions:

One-Sample Tests

Statistical tests used to determine if the sample mean of data differs significantly from a known or hypothesized population mean.

Population Standard Deviation

A measure of the dispersion or spread of all values in a population dataset.

Chi-Square Statistic

A statistical measure used in tests of independence to analyze the frequency distribution of observed data versus an expected data set.

Null Hypothesis

A hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.