PSYC 310 Lecture Notes - Lecture 5: Central Tendency, Multidimensional Scaling, Fluid And Crystallized Intelligence

• School: McGill University
• Department: Psychology
• Course: PSYC 310
• Professor: Andrew Baker

Document Summary

Once you find factors, you want to figure out what causes them and then try to manipulate them to see if it works. Spearman"s s but in terms of important abilities that are in some sense independent of one another). So you might have somebody smart at visual and not at verbal tasks. Its like a phys ed class where one person better at high jump and another better at sprinting. He also says they aren"t trivial: we have another matrix here. If you look at the numbers, they are positive, but it doesn"t all go smaller along the line. There are clusters of higher correlation and lower correlations. This suggests the primary abilities thurston talked about- the verbal and visuo-spatial one. In iq testing, you almost never get even 0 correlation so it"s a very good positive manifold. So all positive manifold is, is the centre of gravity (whether or not the correlations are even.