For a Research Study Comparing the Average Problem-Solving Ability for 5-Year-Old,6-Year

question 19

Multiple Choice

For a research study comparing the average problem-solving ability for 5-year-old,6-year old,and 7-year-old boys,the appropriate hypothesis test is

• A)independent-measures t test.
• B)repeated-measures t test.
• C)single-factor analysis of variance.
• D)chi-square test for independence.

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Definitions:

Generation

A group of individuals born and living around the same time, typically considered to be about 20–30 years.

Development

The process through which an organism grows or progresses, often involving physical, psychological, or social changes.

Multicellular Adult

An organism composed of multiple cells that has reached a mature or fully grown stage.

Single Cell

Describing an organism or entity composed of only one cell, often referring to unicellular microorganisms.