(Scenario III) the Researcher Who Recorded the Distance That Each

Multiple Choice

(Scenario III) The researcher who recorded the distance that each rat ran did not know whether the rat had received stress. This resulted in a(n) _____ and decreased _____.

A) double-blind procedure; experimenter bias
B) experimenter expectancy; bias
C) single-blind procedure; experimenter expectancy
D) experimenter bias; internal validity