TABLE 12-13 Recent Studies Have Found That American Children Are More Obese

question 74

Multiple Choice

TABLE 12-13
Recent studies have found that American children are more obese than in the past. The amount of time children spent watching television has received much of the blame. A survey of 100 ten-year-olds revealed the following with regards to weights and average number of hours a day spent watching television. We are interested in testing whether the mean number of hours spent watching TV and weights are independent at 1% level of significance.

-Referring to Table 12-13, if there is no connection between weights and average number of hours spent watching TV, we should expect how many children to be spending 3-6 hours on average watching TV and are more than 10 lbs. underweight?

• A) 5
• B) 5.8
• C) 6.2
• D) 8

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Definitions:

Jean Piaget

A Swiss psychologist known for his pioneering work in child development, particularly his theory of cognitive development that describes how children construct a mental model of the world.

Lawrence Kohlberg

A psychologist best known for his theory of stages of moral development, which suggests that an individual's moral reasoning develops through a series of stages.

B.F. Skinner

An American psychologist and behaviorist best known for his contributions to the development of operant conditioning and behavior modification techniques.

Insecure Attachment

A type of attachment style characterized by anxiety, avoidance, and difficulty creating emotional connections with others, often resulting from less supportive caregiving in early development.