Robert J. Sternberg proposes three intelligences in human cognition.
- Analytical intelligence is the ability to analyze and evaluate ideas, solve problems and make decisions.
- Creative intelligence involves going beyond what is given to generate novel and interesting ideas.
- Practical intelligence is the ability that individuals use to find the best fit between themselves and the demands of the environment.
Schools are so impractical that graduates not only don't get hired or make an opportunity or livelihood of their but also they lose their self-identity.
To measure practical intelligence, Sternberg relies on a concept called tacit knowledge (Sternberg et al., 2000). As the name implies, tacit knowledge is knowledge that is hard to express in words. Sternberg posits three characteristics of tacit knowledge.
- It is procedural rather than factual, which means it is knowledge about how to do something rather than knowledge about something.
- It is usually learned without the help of others or explicit instruction.
- It is knowledge about things that personally important to the learner.
Criticisms and theoretical challenges to the construct of practical intelligence come from several sources.
- Sternberg himself has been vague in his explication of the terms and somewhat loose in his usage.
- Sternberg also acknowledges that further theoretical work is required to answer such basic questions as how tacit knowledge is acquired, whether the ability that leads to its acquisition can be taught, or if practical intelligence is a general ability that one brings to different contexts or is determined completely in terms of the specific domains in which a person acquires tacit knowledge (Sternberg et al., 2000; Torff & Sternberg, 1998; Wagner & Sternberg, 1986).
- Critics argue that his tests of tacit knowledge do not demonstrate the strong empirical support he claims (Gottfredson, 2001). At least one research group sympathetic to the theory has concluded that the test is reliable but not a valid measure of success (Taub, Hayes, Cunningham, & Sivo, 2001).
- g-theorists have argued that practical intelligence is little more than job knowledge and can be explained better by traditional definitions of intelligence (Jensen, 1993; Ree & Earles, 1993; Schmidt & Hunter, 1993).
- Situated cognition theorists have used some of the same research as Sternberg to argue that intelligence is not a characteristic of people, but rather a potential for intelligence performance that is embedded in specific situations (Barab & Plucker, 2002).