According to J.P. Guilford, the proponent of the Structure of Intellect Model of intelligence, into how many dimensions or categories are intellectual abilities classified, and what was the total number of independent factors in this model initially?

According to the Structure of Intellect theory proposed by J.P. Guilford, intelligence is represented as a three-dimensional model consisting of three independent dimensions:

• Contents: The terms or information on which operations are performed.
• Operations: The intellectual processes or acts performed.
• Products: The resulting forms in which information is processed.

Originally, Guilford's model conceptualized 4 (Contents) × 5 (Operations) × 6 (Products) = 120 independent intellectual factors, which was later expanded to 150 and eventually 180 factors in revised versions.