LaShonda Has Just Demonstrated That She Understands Conservation of Quantity

question 60

Multiple Choice

LaShonda has just demonstrated that she understands conservation of quantity.However, when she is asked to find the specific place on the left side of a beam to place a weight in order to balance the weight on the right side of the beam, she is unable to solve this problem.LaShonda is most likely in which stage of cognitive development?

• A)sensorimotor stage
• B)preoperational stage
• C)concrete operational stage
• D)formal operational stage

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Definitions:

Variance

A statistical measure that represents the dispersion or spread of data points in a data set, measuring how far each number in the set is from the mean.

Two-Sample Test

A statistical test used to compare the means of two independent groups to determine if there is a statistical difference between them.

Paired Samples

Samples that involve matched pairs of similar units or the same units under different conditions for comparative studies.

Test Statistic

A calculated value used in statistical testing to determine the likelihood of a hypothesis.