The Kruskal-Wallis Test Is Most Useful When

question 36

Multiple Choice

The Kruskal-Wallis test is most useful when

• A)Excel is unavailable and hand calculations are required.
• B)the sampled populations are normal with no outliers.
• C)we need to compare the means instead of the medians.
• D)observed data values are only ordinal measurements.

Grasp Vygotsky's concept of scaffolding and the Zone of Proximal Development.

Comprehend the basics of habituation and dishabituation in infant cognitive development.

Recognize the emergence of object permanence and its relation to Piaget's stages.

Understand hierarchical classification and conservation in children's cognitive development.

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Definitions:

Sign Test

A nonparametric statistical test used to determine if there is a median difference between paired observations.

N

Often represents the sample size or the number of participants or observations in a study.

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