In which of the following cultures are the rates of increasing obesity among children the highest?
groups that experienced food deprivation a few generations ago but now have
plenty of food
children in Eastern Europe
groups that have experienced prosperity for several decades
children in the United States
groups that experienced food deprivation a few generations ago but now have
plenty of food
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Mention and describe in a sentence the components of sensation seeking. Differentiate between good and bad sensation seeking
What will be an ideal response?
According to the steps of hypothesis testing provided in your text, if you are using an independent samples t test, which of the following describes your procedure:
a. Select your significance level, determine the degrees of freedom, calculate your t test score, get the critical t value, reject the null hypothesis if the calculated t value is less than the critical t value. b. Calculate your t test score, determine the degrees of freedom, run the statistical program and get the p value, reject the null hypothesis if the p is greater than the alpha level. c. State your null and alternative hypotheses, determine the degrees of freedom, calculate your t test score, reject the null hypothesis if the p value is greater than the significance/alpha level. d. State the null and the alternative hypotheses; set the alpha level; conduct the statistical test and obtain the p value based on your empirical data; compare your p value to the alpha level and make a decision (1. reject the null versus 2. fail to reject the null); last, interpret findings.
For data that are not normally distributed, the standard deviation will sometimes be negative
Indicate whether the statement is true or false
Researchers analyzed records of hospitalization for heart disease in two Ohio cities, Bowling Green and Kent. A city ordinance enacted in Bowling Green banned smoking in public areas. Results indicated that hospitalization rates for the two cities were similar before the smoking ban, but hospitalization rates decreased in Bowling Green compared to Kent following the smoking ban. A potential threat to internal validity that will need to be ruled out is
A. the amount of information about heart disease presented in national media. B. changes in the state sales tax on cigarettes. C. changes in doctors' focus on symptoms of heart disease in Bowling Green (because of publicity for the ban), but not in Kent. D. all of these