When Piaget and Inhelder Asked Children of Different Ages to Balance

question 194

Multiple Choice

When Piaget and Inhelder asked children of different ages to balance a scale using several different weights, they found that:

• A) preschool children tended to use logical deduction.
• B) 7-year-old children used spatial relationships.
• C) by age 10, children used trial-and-error strategies.
• D) adolescents failed to see the complexities of the problem.

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Definitions:

Allowances

Considerations for factors, such as time or money, that are set aside as safe margins to prevent overestimation in budgets or schedules.

Work Sampling

A technique for estimating the proportion of time spent on various tasks within a job, based on random samples of worker activities.

Task Times

The duration required to complete specific tasks or operations, often analyzed for process improvement and labor planning.

Time-study Methods

Techniques used to determine the time required for a worker to perform each task of a job, aiming at increasing efficiency.