A psychologist has collected some data on the number of friends that college students report they have. The data set follows: 6, 4, 3, 2, 7, 3, 8, 5. If the psychologist reports 3 as a measure of central tendency, which measure was used?

Recent findings associated with aging and cognitive functioning show that older adults outscore younger adults on

A) vocabulary tests. B) memory tests. C) visual tests. D) auditory tests.

In Jean's preschool classroom, teachers guide children's learning, tailoring their interventions to each child's zone of proximal development. This classroom emphasizes the Vygotskian principle of

A) discovery learning. B) assisted discovery. C) active participation. D) acceptance of individual differences.