During the last year, Davis noticed that he started to grow facial hair and is now able to sing lower notes in choir. These characteristics are caused by

Dr. MacKenzie wants to study the impact of child maltreatment on physical development. The best experimental method for this research would be a __________ experiment

A) field B) natural, or quasi-, C) laboratory D) correlational

_____ When revising an essay, a child's second draft is consistently better than their first draft

Indicate whether the statement is true or false