Ok, here ya go:
"Affect" as a verb, which is often used, means to modify (as in, "Dieng's shot-blocking ability affected MCW's shot selection on the breakaway steal"Affect" as a verb, which is often used, means to modify (as in, "Dieng's shot-blocking ability affected MCW's shot selection on the breakaway steal.")
"Affect," as a noun, which is a less common usage, refers to an emotion (as in, "Afterwards, Siva was depressed about that bone-headed pass; his affect was flat.")
"Effect" as a noun, also a common usage, refers to the result of the verb form (as in, "The effect of MCW's decision to dunk was two points.")
"Effect"