Q: The formula for calculating IQ as originally defined by William Stern is:

$ IQ = \frac{MA}{CA} \times 100 $

Q: A 6-year-old child has a mental age of 8. What is the child's IQ according to Stern's formula?

$ IQ = \frac{8}{6} \times 100 = 133 $

Question 1

Which of the following best describes the concept of 'intelligence' as defined in Canadian psychology?

Accepted Answer

An all-purpose ability to do well on cognitive tasks, solve problems, and learn from experience.

Question 2

Charles Spearman introduced the idea that intelligence is a general ability reflected in performance on various cognitive tasks. What is the name of this general intelligence factor?

Accepted Answer

g factor

Question 3

Which of the following is NOT one of the three main criteria for a good intelligence test?

Accepted Answer

Flexibility

Question 4

A test consistently yields the same score for an individual over repeated administrations, but does not measure what it is supposed to measure. Which property does this test possess?

Accepted Answer

Reliability

Question 5

The formula for calculating IQ as originally defined by William Stern is:

Accepted Answer

$ IQ = \frac{MA}{CA} 	imes 100 $

Question 6

A 6-year-old child has a mental age of 8. What is the child's IQ according to Stern's formula?

Accepted Answer

$ IQ = \frac{8}{6} 	imes 100 = 133 $

Question 7

Which of the following statements about the Wechsler Adult Intelligence Scale (WAIS) is TRUE?

Accepted Answer

It includes subtests for verbal comprehension, working memory, perceptual reasoning, and processing speed.

Question 8

Why are intelligence tests often criticized for cultural bias?

Accepted Answer

They may favor individuals from certain cultural, socioeconomic, or linguistic backgrounds.

Question 9

Which of the following is an example of a culture-fair intelligence test?

Accepted Answer

Raven Progressive Matrices

Question 10

Heritability estimates for intelligence are based on group statistics. What does this imply about interpreting heritability for an individual?

Accepted Answer

Heritability describes variation within groups, not individuals.

Question 11

Which environmental intervention has been shown to increase children's IQ scores, especially in economically disadvantaged groups?

Accepted Answer

Sending children to preschool

Question 12

The 'Flynn effect' refers to which phenomenon?

Accepted Answer

The rapid increase in average IQ scores over time.

Question 13

According to research, what is a common myth about gifted children?

Accepted Answer

They are socially maladjusted.

Question 14

Which of the following best explains why teachers may hold stereotypes about gifted children?

Accepted Answer

Illusory correlation, where two vivid events are more likely to be noticed together.

Question 15

If a test is highly reliable but not valid, what does this mean about its scores?

Accepted Answer

Scores are consistent but do not measure the intended construct.

Question 16

Which of the following is a limitation of using mental age to assess intelligence in adults?

Accepted Answer

Mental age loses its meaning after childhood, as most adults reach a mental age plateau.

Question 17

A psychologist wants to compare the IQ scores of children from different backgrounds. What must be true about the test for the comparison to be meaningful?

Accepted Answer

The test must be standardized and have established norms.

Question 18

Which of the following is NOT a subtest included in the Wechsler Adult Intelligence Scale (WAIS)?

Accepted Answer

Spatial navigation

Question 19

Which statement best summarizes the relationship between genetics and environment in determining intelligence?

Accepted Answer

Both genetics and environment interact to influence intelligence.

Intelligence: Definitions, Measurement, Influences, and Extremes

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