Text 5. Theories of intelligence

Read the text and give a short summary of each paragraph.

Numerous theories have emerged to define, explain and predict human intelligence. While intelligence is one of the most talked about subjects within psychology, there is no standard definition of what exactly constitutes 'intelligence.' Some researchers have suggested that intelligence is a single, general ability, while other believe that intelligence encompasses a range of aptitudes, skills and talents.The following are some of the major theories of intelligence that have emerged during the last 100 years.

Charles Spearman - General Intelligence. British psychologist Charles Spearman (1863-1945) described a concept he referred to as general intelligence, or the g factor. After using a technique known as factor analysis to to examine a number of mental aptitude tests, Spearman concluded that scores on these tests were remarkably similar. People who performed well on one cognitive test tended to perform well on other tests, while those who scored badly on one test tended to score badly on other. He concluded that intelligence is general cognitive ability that could be measured and numerically expressed (Spearman, 1904).

Louis L. Thurstone - Multiple-Factor Theory. Psychologist Louis L. Thurstone (1887-1955) offered a differing theory of intelligence. Instead of viewing intelligence as a single, general ability, Thurstone's theory focused on seven different "primary mental abilities" (Thurstone, 1938). The abilities that he described were:

• Verbal comprehension

• Reasoning

• Perceptual speed

• Numerical ability

• Word fluency

• Associative memory

• Spatial visualization

Howard Gardner - Multiple Intelligences. One of the more recent ideas to emerge is Howard Gardner's theory of multiple intelligences. Instead of focusing on the analysis of test scores, Gardner proposed that numerical expressions of human intelligence are not a full and accurate depiction of people's abilities. His theory describes eight distinct intelligences that are based on skills and abilities that are valued within different cultures.

The eight intelligences Gardner described are:

• Visual-spatial Intelligence

• Verbal-linguistic Intelligence

• Bodily-kinesthetic Intelligence

• Logical-mathematical Intelligence

• Interpersonal Intelligence

• Musical Intelligence

• Intra personal Intelligence

• Naturalistic Intelligence

Robert Sternberg - Triarchic Theory of Intelligence. Psychologist Robert Sternberg defined intelligence as "mental activity directed toward purposive adaptation to, selection and shaping of, real-world environments relevant to one’s life" (Sternberg, 1985, p. 45). While he agreed with Gardner that intelligence is much broader than a single, general ability, he instead suggested some of Gardner's intelligences are better viewed as individual talents. Sternberg proposed what he refers to as 'successful intelligence,' which is comprised of three different factors:

• Analytical intelligence: This component refers to problem-solving abilities.

• Creative intelligence: This aspect of intelligence involves the ability to deal with new situations using past experiences and current skills.

• Practical intelligence: This element refers to the ability to adapt to a changing environment.

While there has been considerable debate over the exact nature of intelligence, no definitive conceptualization has emerged. Today, psychologists often account for the many different theoretical viewpoints when discussing intelligence and acknowledge that this debate is ongoing.  (Abridged from: http://psychology.about.com/od/cognitivepsychology/p/intelligence.htm)

Fill in the blanks in the table below in order to memorize better the intelligence theories:

The theory	Representatives	Basic Assumptions
General Intelligence	Charles Spearman
Multiple-factor theory
Multiple Intelligences theory		There are 7 different components: logical-mathematical; linguistic; musical; spatial; bodily-kinaesthetic; interpersonal; intrapersonal.
Triarchic theory

Text 6. LEFT BRAIN vs RIGHT BRAIN

Read the text and give a short summary of each paragraph.

Have you ever heard people say that they tend to be more of a right-brain or left-brain thinkers? From books to television programs, you've probably heard the phrase mentioned numerous times or perhaps you've even taken an online test to determine which type best describes you.

Left Brain - Right Brain Theory. According to the theory of left-brain or right-brain dominance, each side of the brain controls different types of thinking. Additionally, people are said to prefer one type of thinking over the other. For example, a person who is "left-brained" is often said to be more logical, analytical and objective, while a person who is "right-brained" is said to be more intuitive, thoughtful and subjective.

In psychology, the theory is based on what is known as the lateralization of brain function. So does one side of the brain really control specific functions? Are people either left-brained or right-brained? Like many popular psychology myths, this one has a basis in fact that has been dramatically distorted and exaggerated.

The right brain-left brain theory grew out of the work of Roger W. Sperry, who was awarded the Nobel Prize in 1981. While studying the effects of epilepsy, Sperry discovered that cutting the corpus collosum (the structure that connects the two hemispheres of the brain) could reduce or eliminate seizures.

However, these patients also experienced other symptoms after the communication pathway between the two sides of the brain was cut. For example, many split-brain patients found themselves unable to name objects that were processed by the right side of the brain, but were able to name objects that were processed by the left-side of the brain. Based on this information, Sperry suggested that language was controlled by the left-side of the brain.

Later research has shown that the brain is not nearly as dichotomous as once thought. For example, recent research has shown that abilities in subjects such as math are actually strongest when both halves of the brain work together.

The Right Brain. According to the left-brain, right-brain dominance theory, the right side of the brain is best at expressive and creative tasks. Some of the abilities that are popularly associated with the right side of the brain include:

• Recognizing faces

• Expressing emotions

• Music

• Reading emotions

• Color

• Images

• Intuition

• Creativity