Two researchers tested the hypothesis that college students

Two researchers tested the hypothesis that college students\' grades and happiness are related. One researcher operationally defined happiness as the number of hours spent at leisure activities. The other researcher defined happiness as the amount of achievement one feels as measured on a 10 point scale. Which of the following statements is accurate?

A. The difference in operational definitions of happiness could lead to quite different results.

B. The only valid definition is the number of hours spent at leisure activities because it is the only objective measure.

C. Because their hypotheses are identical, the two researchers should obtain similar results.

D. Only the study that measured happiness through achievement can prove that happiness is caused by good grades.

Solution

option 4 is accurate i,e.. only the study that measured happiness through achievemnt can prove that happines is caused by good grades