Compared to today where most Americans live until age 75, in 1900 the average life span was less than ___ years.

School-age children are likely to view which of the following activities as nearly as bad as a moral transgression?

A) 5-year-old Kimberly wearing a boy's shirt and her father's shoes B) 5-year-old Jenny playing with trucks C) 5-year-old Frank watching My Little Pony with his baby sister D) 5-year-old Mark wearing his mother's nail polish

What type of interference may be associated with forgetting in short-term memory?

a. retroactive c. Stroop b. proactive d. sensory