If Hugo gets an average grade in science , Charles Spearman would guess that Hugo's history grade will be __ when compared to the science grade: a. Higher b. Lower c. About the same d. Incomparable

c. About the same<br /><br />Charles Spearman is known for his work on general intelligence, or *g*. He theorized that intelligence is a general cognitive ability that underlies performance on all intellectual tasks. Therefore, if someone performs well in one area (like science), Spearman would predict they would likely perform similarly well in other areas (like history), due to the influence of their general intelligence.<br />