According to Vygotsky, private speech is aimed at

a. self-esteem

A researcher, based on her review of relevant scientific studies, believes that there is a relationship between the frequency of a baby's crying and whether it was nursed at set intervals or on a demand schedule

If this belief were tested by experimentally manipulating feeding schedules, the feeding schedule would be called the: a. independent variable. b. dependent variable. c. extraneous variable. d. control factors.

Ecstasy can produce adverse psychological effects, including depression, anxiety, insomnia, and even paranoia and psychosis

Indicate whether the statement is true or false