Dr. Kepler was interested in the impact of arousal on perfor…

Dr. Kepler was interested in the impact of arousal on performance. She studied high school students’ abilities to quickly and accurately complete calculus problems in front of three calculus experts. She later had the same students complete the calculus problems alone in the classroom, finding much better performance under these conditions. What psychological concept is represented in this description? 

Fifth-graders Josslyn and JaCorie each got an A on their sci…

Fifth-graders Josslyn and JaCorie each got an A on their science project. Josslyn worked hard because her parents give her money whenever she earns a grade above a B on an assignment. JaCorie worked hard because he enjoys learning. Which of the following are logical and objective future outcomes for Josslyn and JaCorie?