__________ by researchers occurs via unintentional verbal intonations or utterances, facial

Ebbinghaus' theory of acoustic coding suggests we would be more likely to

misremember a spoken "E" as: (a) an "F" (b) an "I" (c) a "C" (d) an "X"

Frieda finds calculus difficult, but studies long hours and goes for tutoring because she believes these things will help her do better in the class. Frieda likely has __________

a. an internal locus of control b. an external locus of control c. implicit motivation d. explicit motivation