19. ". . . the resultant of the process of acquiring, storing in memory, retrieving, combining, comparing, and using in new contexts information and conceptual skills." Humphreys 20. "Intelligence is the ability to learn, exercise judgment, and be imaginative."
J. Huarte 21. "Intelligence is a general factor that runs through all types of performance."
A. Jensen 22. "Intelligence is assimilation to the extent that it incorporates all the given data of experience within its framework . . . There can be no doubt either, that mental life is also accommodation to the environment. Assimilation can never be pure because by incorporating new elements into its earlier schemata the intelligence constantly modifies the latter in order to adjust them to new elements." J. Piaget [30]
23. "Ability to adapt oneself adequately to relatively new situations in life." R. Pinter quoted in [35]
24. "A biological mechanism by which the effects of a complexity of stimuli are brought together and given a somewhat unified effect in behavior." J. Peterson quoted in [35]
25. ". . . certain set of cognitive capacities that enable an individual to adapt and thrive in any given environment they find themselves in, and those cognitive capacities include things like memory and retrieval, and problem solving and so forth. There's a cluster of cognitive abilities that lead to successful adaptation to a wide range of environments." D. K. Simonton [33]
26. "Intelligence is part of the internal environment that shows through at the interface between person and external environment as a function of cognitive task demands." R. E. Snow quoted in [34]
27. ". . . I prefer to refer to it as 'successful intelligence.' And the reason is that the emphasis is on the use of your intelligence to achieve success in your life. So I define it as your skill in achieving whatever it is you want to attain in your life within your sociocultural context - meaning that people have different goals for themselves, and for some it's to get very good grades in school and to do well on tests, and for others it might be to become a very good basketball player or actress or musician." R. J. Sternberg [36]
28. ". . . the ability to undertake activities that are characterized by (1) difficulty,
(2) complexity, (3) abstractness, (4) economy, (5) adaptedness to goal, (6)
social value, and (7) the emergence of originals, and to maintain such activities under conditions that demand a concentration of energy and a resistance to emotional forces." Stoddard