To Examine Whether or Not Children's Cognitive Development Occurs in Stages

question 3

Multiple Choice

To examine whether or not children's cognitive development occurs in stages, Professor Blue observes four groups of children. Each child's performance on cognitive tasks is observed two or more times over a period of two years. Which group is MOST likely to lead Professor Blue to conclude that development occurs continuously?

• A) Group A, whose performance on a single task is observed twice each year
• B) Group B, whose performance on multiple tasks is observed twice each year
• C) Group C, whose performance on a single task is observed every week
• D) Group D, whose performance on multiple tasks is observed every week

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Definitions:

Rejection Region

The range of values in a statistical test for which the null hypothesis is rejected.

Rank Correlation

A statistic that measures the degree of association between two variables using the ranks of their data.

Oral Exam

An examination method where the candidate articulates responses to questions verbally, used to assess comprehension, communication skills, and knowledge.

Written Exam

A formal test conducted by asking questions on paper or digitally to assess a candidate's knowledge or proficiency in a particular subject or skill.