A Health Educator Wants to Evaluate the Effect of a Dental

question 55

Multiple Choice

A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded. Assume there is a real effect and estimate the size of effect, using Cohens d. = _________.

• A) 1.10
• B) 0.03
• C) 1.11
• D) 0.02

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Definitions:

Sexual Maturity

The developmental stage where an individual has achieved the ability to reproduce and exhibit secondary sexual characteristics.

Adolescents

Individuals in the transitional stage of development between childhood and adulthood, typically ranging from ages 10 to 19.

Preadolescent Stature

The physical height and body composition of individuals in the stage immediately before adolescence, typically characterized by variations in growth rates.

Secondary Sex Characteristics

Physical indicators of sexual maturation—such as changes to the voice and growth of bodily hair—that do not directly involve reproductive structures.