8. ". . . the ability to plan and structure one's behavior with an end in view." J.

P. Das 9. "The capacity to learn or to profit by experience." W. F. Dearborn quoted in [35]
10. ". . . in its lowest terms intelligence is present where the individual animal, or human being, is aware, however dimly, of the relevance of his behaviour to an objective. Many definitions of what is indefinable have been attempted by psychologists, of which the least unsatisfactory are 1. the capacity to meet novel situations, or to learn to do so, by new adaptive responses and 2. the ability to perform tests or tasks, involving the grasping of relationships, the degree of intelligence being proportional to the complexity, or the abstractness, or both, of the relationship." J. Drever [9]
11. "Intelligence A: the biological substrate of mental ability, the brains' neuroanatomy and physiology; Intelligence B: the manifestation of intelligence A,
and everything that influences its expression in real life behavior; Intelligence C: the level of performance on psychometric tests of cognitive ability." H. J.

Eysenck.

12. "Sensory capacity, capacity for perceptual recognition, quickness, range or flexibility or association, facility and imagination, span of attention, quickness or alertness in response." F. N. Freeman quoted in [35]
13. ". . . adjustment or adaptation of the individual to his total environment, or limited aspects thereof . . . the capacity to reorganize one's behavior patterns so as to act more effectively and more appropriately in novel situations . . . the ability to learn . . . the extent to which a person is educable . . . the ability to carry on abstract thinking . . . the effective use of concepts and symbols in dealing with a problem to be solved . . . " W. Freeman 14. "An intelligence is the ability to solve problems, or to create products, that are valued within one or more cultural settings." H. Gardner [11]
15. ". . . performing an operation on a specific type of content to produce a particular product." J. P. Guilford 16. "Sensation, perception, association, memory, imagination, discrimination, judgement and reasoning." N. E. Haggerty quoted in [35]
17. "The capacity for knowledge, and knowledge possessed." V. A. C. Henmon
[16]
18. ". . . cognitive ability." R. J. Herrnstein and C. Murray [17]