đ āĻāĻĒāϰāĻŋāĻāĻā§āϤ āĻŽāϤāĻŦāĻžāĻĻāĻā§āϞāĻŋ āĻ āύā§āĻŽāĻžāύāĻāĻŋāϤā§āϤāĻŋāĻ āĻāĻŦāĻ āĻāϞā§āĻĒāύāĻžāĻĒā§āϰāϏā§āϤ āĨ¤ āĻā§āύāĻžā§ āĻŦā§āĻā§āĻāĻžāύāĻŋāĻ āĻāĻŋāϤā§āϤāĻŋ āύāĻž āĻĨāĻžāĻāĻžāϝāĻŧ āĻāĻā§āϞāĻŋ āĻŦāϰā§āϤāĻŽāĻžāύ⧠āĻĒāϰāĻŋāϤā§āϝāĻā§āϤ āĨ¤ āĻŦāϰā§āϤāĻŽāĻžāύ⧠āĻŦā§āĻĻā§āϧāĻŋāϰ āϤāĻžāϤā§āϤā§āĻŦāĻŋāĻ āĻŦā§āϝāĻžāĻā§āϝāĻž āĻāĻŖāĻŋāϤāύāĻŋāϰā§āĻāϰ āĻāĻŦāĻ āĻŦā§āĻā§āĻāĻžāύāĻŋāĻ āϝā§āĻā§āϤāĻŋāϰ āĻāĻĒāϰ āĻĒā§āϰāϤāĻŋāώā§āĻ āĻŋāϤ āĨ¤ āĻāĻ āϤāϤā§āϤā§āĻŦāĻā§āϞāĻŋāĻā§ āĻĻā§āĻāĻŋ āĻāĻžāĻā§ āĻāĻžāĻ āĻāϰāĻž āϝāĻžāϝāĻŧ â āĻāĻĒāĻžāĻĻāĻžāύāĻŽā§āϞāĻ āϤāϤā§āϤā§āĻŦ āĻāĻŦāĻ āĻā§āĻāĻžāύāĻŽā§āϞāĻ āϤāϤā§āĻŦ āĨ¤ āĻāĻĒāĻžāĻĻāĻžāύāĻŽā§āϞāĻ āϤāϤā§āĻŦāĻā§āϞāĻŋ āĻšāϞâ
( 1 ) Stern- āĻāϰ āĻāĻāĻ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ ( Unifactor Theory ) ;
( 2 ) Spearman – āĻāϰ āĻĻā§āĻŦāĻŋ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ ( Two – Factor Theory ) ;
( 3 ) Thorndike- āĻāϰ āĻŦāĻšā§ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ āĻŦāĻž āĻĻāϞāĻāϤ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ ( Multiple Factor Theory ) ;
( 4 ) Turstone- āĻāϰ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ āĻŽāĻžāύāϏāĻŋāĻ āϤāϤā§āϤā§āĻŦ āĻŦāĻž āĻĻāϞāĻāϤ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ ( Primary Mental Ability Theory or Group Factor Theory ) ;
( 5 ) Thompson- āĻāϰ āĻŦāĻžāĻāĻžāĻ āĻāĻĒāĻžāĻĻāĻžāύ āϤāϤā§āϤā§āĻŦ ( Sampling Theory ) ;
( 6 ) Guilford- āĻāϰ āϤā§āϰāĻŋ – āĻŽāĻžāϤā§āϰāĻŋāĻ āϤāϤā§āϤā§āĻŦ ( Tri – Dimensional Theory ) ;
( 7 ) Burt and Vernon āĻāϰ Hierarchy – āϤāϤā§āϤā§āĻŦ ;
( 8 ) āĻā§āĻāĻžāύāĻŽā§āϞāĻ āϤāϤā§āϤā§āĻŦ ( Cognitive Theory ) āϝā§āĻŽāύâ ( i ) Cattel and Horn’s theory of Intelligence ;
( ii ) āϏā§āĻāĻžāϰā§āύāĻŦāĻžāϰā§āĻā§āϰ āϤāĻĨā§āϝ āĻĒā§āϰāĻā§āϰāĻŋāϝāĻŧāĻžāĻāϰāĻŖ āĻŦā§āĻĻā§āϧāĻŋāϰ āϤāϤā§āĻŦ ( Sternberg’s Theory of Information Theory of Intelligence ) ;
( 9 ) āĻāĻžāϰā§āĻĄā§āύāĻžāϰā§āϰ āĻŦāĻšā§āĻŦāĻŋāϧ āĻŦā§āĻĻā§āϧāĻŋāϰ āϤāϤā§āϤā§āĻŦ ( Gardner’s Theory of Multiple Intelligence ) l