In which research procedure are the researcher AND the subjects kept uninformed as to which group a subject is in until after the research has been completed?

Researcher Roger Sperry won a Nobel prize for his research on epilepsy. Sperry cut through the ________ which joins the two hemispheres of the brain

a. medulla b. pons c. pituitary gland d. corpus callosum e. cerebral cortex

The relationship between collectivism and interdependent self-concept, as well as

individualism and independent self-concept, is a good example of a. the interaction of the microsystem and the individual. b. the interaction of the macrosystem and the individual. c. the interaction of the microsystem and the exosystem. d. the interaction of the mesosystem and the exosystem.