The concept of intelligence


1Looked at in one way, everyone knows what intelligence is; looked at in another way, no one does. 2In other words, people all have unconscious notions — known as ‘implicit theories’ — of intelligence, but no one knows for certain what it actually is. 3This chapter addresses how people conceptualize intelligence, whatever it may actually be. 4But why should we even care what people think intelligence is, as opposed only to valuing whatever it actually is? 5There are at least four reasons people’s conceptions of intelligence matter.


1First, implicit theories of intelligence drive the way in which people perceive and evaluate their own intelligence and that of others. 2To better understand the judgments people make about their own and others’ abilities, it is useful to learn about people’s implicit theories. 3For example, parents’ implicit theories of their children’s language development will determine at what ages they will be willing to make various corrections in their children’s speech. 4More generally, parents’ implicit theories of intelligence will determine at what ages they believe their children are ready to perform various cognitive tasks.

5Job interviewers will make hiring decisions on the basis of their implicit theories of intelligence. 6People will decide who to be friends with on the basis of such theories. 7In sum, knowledge about implicit theories of intelligence is important because this knowledge is so often used by people to make judgments in the course of their everyday lives.


1Second, the implicit theories of scientific investigators ultimately give rise to their explicit theories. 2Thus it is useful to find out what these implicit theories are. 3Implicit theories provide a framework that is useful in defining the general scope of a phenomenon - especially a not-well-understood phenomenon. 4These implicit theories can suggest what aspects of the phenomenon have been more or less attended to in previous investigations.


1Third, implicit theories can be useful when an investigator suspects that existing explicit theories are wrong or misleading. 2If an investigation of implicit theories reveals little correspondence between the extant implicit and explicit theories, the implicit theories may be wrong. 3But the possibility also needs to be taken into account that the explicit theories are wrong and in need of correction or supplementation. 4For example, some implicit theories of intelligence suggest the need for expansion of some of our explicit theories of the construct.


1Finally, understanding implicit theories of intelligence can help elucidate developmental and cross-cultural differences. 2As mentioned earlier, people have expectations for intellectual performances that differ for children of different ages. 3How these expectations differ is in part a function of culture. 4For example, expectations for children who participate in Western-style schooling are almost certain to be different from those for children who do not participate in such schooling.


1I have suggested that there are three major implicit theories of how intelligence relates to society as a whole (Sternberg, 1997). 2These might be called Hamiltonian, Jeffersonian, and Jacksonian. 3These views are not based strictly, but rather, loosely, on the philosophies of Alexander Hamilton, Thomas Jefferson, and Andrew Jackson, three great statesmen in the history of the United States.


1The Hamiltonian view, which is similar to the Platonic view, is that people are born with different levels of intelligence and that those who are less intelligent need the good offices of the more intelligent to keep them in line, whether they are called government officials or, in Plato’s term, philosopher-kings. 2Herrnstein and Murray (1994) seem to have shared this belief when they wrote about the emergence of a cognitive (high-IQ) elite, which eventually would have to take responsibility for the largely irresponsible masses of non-elite (low-IQ) people who cannot take care of themselves. 3Left to themselves, the unintelligent would create, as they always have created, a kind of chaos.


1The Jeffersonian view is that people should have equal opportunities, but they do not necessarily avail themselves equally of these opportunities and are not necessarily equally rewarded for their accomplishments. 2People are rewarded for what they accomplish, if given equal opportunity. 3Low achievers are not rewarded to the same extent as high achievers. 4In the Jeffersonian view, the goal of education is not to favor or foster an elite, as in the Hamiltonian tradition, but rather to allow children the opportunities to make full use of the skills they have. 5My own views are similar to these (Sternberg, 1997).


1The Jacksonian view is that all people are equal, not only as human beings but in terms of their competencies - that one person would serve as well as another in government or on a jury or in almost any position of responsibility. 2In this view of democracy, people are essentially intersubstitutable except for specialized skills, all of which can be learned. 3In this view, we do not need or want any institutions that might lead to favoring one group over another.


1Implicit theories of intelligence and of the relationship of intelligence to society perhaps need to be considered more carefully than they have been because they often serve as underlying presuppositions for explicit theories and even experimental designs that are then taken as scientific contributions. 2Until scholars are able to discuss their implicit theories and thus their assumptions, they are likely to miss the point of what others are saying when discussing their explicit theories and their data.


Questions 1-3

Reading Passage 1 has ten sections, A-J.

Which section contains the following information?

Write the correct letter, A-J, in boxes 1-3 on your answer sheet.

1  information about how non-scientists’ assumptions about intelligence influence their behaviour towards others

a reference to lack of clarity over the definition of intelligence

the point that a researcher’s implicit and explicit theories may be very different


Questions 4-6

Do the following statements agree with the claims of the writer in Reading Passage 1?

In boxes 4-6 on your answer sheet, write

YES                   if the statement agrees with the claims of the writer

NO                     if the statement contradicts the claims of the writer

NOT GIVEN      if it is impossible to say what the writer thinks about this

4  Slow language development In children is likely to prove disappointing to their parents.

5  People’s expectations of what children should gain from education are universal.

6  Scholars may discuss theories without fully understanding each other.


Questions 7-13

Look at the following statements (Questions 7-13) and the list of theories below.

Match each statement with the correct theory, A, B, or C.

Write the correct letter, A, B, or C, in boxes 7-13 on your answer sheet.

NB      You may use any letter more than once.

7  It is desirable for the same possibilities to be open to everyone.

8  No section of society should have preferential treatment at the expense of another.

9  People should only gain benefits on the basis of what they actually achieve.

10  Variation in intelligence begins at birth.

11  The more intelligent people should be in positions of power.

12  Everyone can develop the same abilities.

13  People of low intelligence are likely to lead uncontrolled lives.

List of Theories

A   Hamiltonian

B   Jeffersonian

C   Jacksonian


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