One factor in hunger seems to be the increase in __________, which causes blood sugar levels to eventually drop several hours after we eat

Dr. Riviera measures his students' knowledge on the topic of memory by giving them three different quizzes over the course of 3 weeks (1 per week). He is hoping to show that student scores are largely the same from week to week. He is trying to establish the _____ of his quiz.

A) objectivity B) reliability C) subjectivity D) validity

Which of the following is a correct match between the psychosocial stage and its age range?

a. autonomy versus shame and doubt---------adolescence b. trust versus mistrust--------------------------young adulthood c. initiative versus guilt--------------------------ages one to three years d. industry versus inferiority--------------------ages six to 12 years