19. According to Spencer and Spencer, surgeons are applying which type of competency when they studying the human anatomy? a. "Surface Competencies" b. "Self Concept" c. "Traits and Motives" d. "Core Personality" e. None of the Above 20. Many competencies have more than one dimension on which their rating scales can be built; which of the following are "typical" dimensions used by Spencer and Spencer to construct their competency scaling? a. Intensity of Action b. Size of Impact c. Complexity d. Amount of Effort e. All of the above 21. Spencer and Spencer report that the "productivity value" of 1 S.D. in superior performance is what percent over average performance? a. 19% b. 32% c. 48% d. 120% e. It depends on the complexity and function of the job