Children Use Private Speech More When

question 57

Multiple Choice

Children use private speech more when

• A)the tasks are easy.
• B)they have made an error.
• C)they know how to complete the task.
• D)they are at the upper end of the zone of proximal development.

Calculate the standard error for sample proportions.

Determine minimum required sample sizes to meet specified margin of error criteria.

Perform hypothesis testing on population proportions.

Interpret confidence intervals and their widths in different scenarios.

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