The use of red bracelets and the use of black dots on children's foreheads are cultural practices explicitly designed to:

Allison is a 16-year-old who shows an increasing ability to plan and think ahead. She has

sent for college information and has made financial plans to help pay for college. She is in which of the following of Piaget's stages of cognitive development? a. concrete operational thought b. preoperational thought c. formal operational thought d. sensorimotor thought

When the researcher is unable to examine the pure effects of the

independent variable, then the independent variable is said to be a. manipulated b. confounded c. held constant in the group d. none of these