The idea that the way people act may inadvertently cause certain responses from the environment is known as

Hasari is conducting a cross-cultural project looking at the frequency with which

preschool children share toys and how sharing is related toparental involvement during play. In this study, the independent variable is a. parental involvement. b. sharing of toys. c. number of toys shared. d. none of these

When does implantation of the blastocyst occur?

a. at conception b. during the second week after conception c. during the second month after conception d. during the second trimester after conception