Which of the following is not true of achievement among Asian children versus American children?
a. Taiwanese, Chinese, and Japanese children attend about fifty more days a year of school than American children do.
b. Asian high school students spend almost fifty hours a week in school versus thirty-six hours for American high school students.
c. American children study language arts more than twice as long as they do mathematics, whereas Asian students spend equal time on each subject.
d. Asian students are more likely than American students to work as well as attend school.
Question 2
Researchers who conduct ________ must be very concerned with ruling out alternative explanations for their findings, due to the natural separation between groups.
a. experimental studies c. quasi-experiments
b. causal studies d. qualitative studies
Effects of introduced parasites on American chestnut trees.
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