People have a tendency to judge stimuli relative to those previously experienced. for example, if a man's current income level increases, he feels an initial surge of pleasure. however, as he adapts to that income level, he comes to consider it normal. he then requires something better to feel another surge of happiness. this is known as:
a. relative deprivation.
b. the adaptation-level phenomenon.
c. the feel-good, do-good phenomenon.
d. subjective well-being.

Sean is getting frustrated by his math homework. rebecca sean with his math homework. in a neutral tone, rebecca explains to sean how to solve the equation he was having difficulty with. sean is impressed by rebecca’s mathematical mastery. later, he describes her as warm and friendly. based on the information above and sean’s question, what might a psychologist conclude about his social perception? a. sean’s opinion about rebecca’s friendliness was part of a conscious desire to overlook her cold behavior. b. sean’s opinion about rebecca’s friendliness was influenced by his own positive mood and feelings. c. sean’s opinion about rebecca’s friendliness was based on interactions with other math students. d. sean’s opinion about rebecca’s friendliness was affected by his positive assessment of her math skills.