A Child Is Scolded for Using His Fingers Instead of His

question 51

Multiple Choice

A child is scolded for using his fingers instead of his fork to eat some spaghetti.The scolding stops when he picks up his fork.This is an example of _______ reinforcement.

• A)positive
• B)negative
• C)tertiary
• D)secondary

Understand the effect of the estimated proportion (p) on the sample size required for a given level of confidence and precision.

Comprehend the conditions under which the test statistic for p approximates a normal distribution.

Apply the principles of hypothesis testing to assess claims about population proportions.

Calculate and interpret confidence intervals for population proportions.

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Definitions:

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when the hypothesis is true; often represented by alpha (α).

Grand Mean

The mean or average of several group means, which gives an overall measure of the central tendency across all the groups considered together.

Treatments

Interventions or conditions that researchers apply to experimental units or subjects to observe their effect on outcomes.

Level of Significance

A threshold of probability set before testing hypotheses, below which the null hypothesis is rejected.