In Comparing Memory Capabilities in Children Who Were Experts at Chess

question 19

Multiple Choice

In comparing memory capabilities in children who were experts at chess with the memories of adults who weren't, Chi (1978) tested both groups on memory of location of chess pieces and on ability to remember sequences of digits. She found that the

• A) children did better on both tests.
• B) adults did better on both tests.
• C) children did better on memory of chess, but not sequences of digits.
• D) children did better on memory of digits, but not on memory of chess.

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Definitions:

Degrees of Freedom

The count of distinct values or quantities that can be allocated to a statistical distribution.

Sample Size

The number of observations or data points that constitute a sample from a population.

Test Statistic

A value calculated from sample data during a hypothesis test used to decide whether to reject the null hypothesis.