Refer to the MegaStat/Excel Output for the Wilcoxon Rank Sum

question 58

Multiple Choice

Refer to the MegaStat/Excel output for the Wilcoxon rank sum test given in the table below. At a significance level of .05,which one of the following rejection point conditions is correct regarding the following null hypothesis? H₀: D₁ and D₂ are identical probability distributions.

• A) Reject H₀ if T ≥ 79 or T ≤ 131.
• B) Reject H₀ if T ≥ 131 or T ≤ 83.
• C) Reject H₀ if T ≥ 131 or T ≤ 79.
• D) Reject H₀ if T ≤ 83 or T ≥ 127.
• E) Reject H₀ if T ≤ 79 or T ≥ 127.

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Definitions:

Conservation

A cognitive ability, described by Piaget, where a child realizes that properties such as mass, volume, and number remain the same despite changes in the forms of objects.

Egocentrism

The inability to differentiate between self and other, often seen in early child development stages.

Sensorimotor

Pertaining to a developmental stage in early childhood where learning occurs through the sensory and motor experiences.

Cognitive Development

The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.