The science of human development may best be described as an attempt to understand:
how and why people from diverse cultures are different.
how children learn to speak and understand language.
how and why people change across the life span.
how humans and animals are similar and different.
how and why people change across the life span.
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According to research, approximately what proportion of high school students has reported that they rarely tried hard in school?
a. One-tenth b. One-fifth c. One-third d. Two-thirds
Which of the following scenarios best represents a cross-sectional research design?
a. A study examines individual political views across a life span. The researcher's hypothesis is that as individuals age, they become more conservative. The researcher randomly selects a sample from various age cohorts, to examine their political views on capital punishment, immigration, and federal spending. . A study examines individual political views across a life span. The researcher's hypothesis is that as individual's age, they become more conservative. The researcher randomly selects a sample from selected high school population and follows them for 50 years. c. A study examines the relationship of individual political views and the amount of education they have completed. The researcher's hypothesis is that there is a positive relationship between education and liberal political views. d. A study examines how individual political views change between 1981–1991 and 2001–2011.