Q: Which formula was originally used to calculate IQ according to Stern?

$$\text{IQ} = \frac{\text{Mental Age}}{\text{Chronological Age}} \times 100$$

Question 1

Which of the following best describes the difference between fluid intelligence and crystallized intelligence according to Cattell and Horn?

Accepted Answer

Fluid intelligence is the capacity to learn new ways of solving problems, while crystallized intelligence is the accumulated knowledge of the world gained over time.

Question 2

A psychologist is interested in measuring a person's ability to generate multiple solutions to a single problem. Which type of thinking is being assessed?

Accepted Answer

Divergent thinking

Question 3

Which formula was originally used to calculate IQ according to Stern?

Accepted Answer

$$	ext{IQ} = \frac{	ext{Mental Age}}{	ext{Chronological Age}} 	imes 100$$

Question 4

Which of the following is a major criticism of Gardner’s theory of multiple intelligences?

Accepted Answer

It is unclear why certain abilities are classified as intelligences and others are not.

Question 5

A child from a large family is found to have a slightly lower IQ than a child from a smaller family. According to research, what is the most likely explanation?

Accepted Answer

Environmental influences related to family size

Question 6

Which of the following best explains why the original IQ formula is not used for adults?

Accepted Answer

IQ scores would decrease with age even if cognitive performance remains stable.

Question 7

Which of the following statements about the reliability of IQ tests is TRUE?

Accepted Answer

IQ scores in adults show high test-retest reliability, with correlations around $$0.95.$$

Question 8

A researcher finds that identical twins reared apart have IQ correlations similar to those reared together. What does this finding suggest?

Accepted Answer

Genetic factors play a significant role in IQ.

Question 9

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

Accepted Answer

Raven’s Progressive Matrices

Question 10

Which of the following best describes the Flynn effect?

Accepted Answer

IQ scores have been rising by about 3 points every 10 years, likely due to environmental changes.

Question 11

A psychologist wants to predict a student’s future academic success. Which of the following would be the best predictor?

Accepted Answer

The student’s IQ score

Question 12

Which of the following is NOT a component of Sternberg’s triarchic model of intelligence?

Accepted Answer

Emotional intelligence

Question 13

Which of the following is a characteristic of intellectual disability?

Accepted Answer

Inability to engage in adequate daily functioning

Question 14

Which of the following best explains the concept of stereotype threat in intelligence testing?

Accepted Answer

It is the phenomenon where awareness of a negative stereotype can impair performance.

Question 15

Which of the following is TRUE regarding sex differences in IQ?

Accepted Answer

Males are more variable in their IQ scores than females.

Question 16

A teacher believes that intelligence is fixed and cannot be changed. According to Dweck’s growth mindset theory, what is a likely consequence for students in this classroom?

Accepted Answer

Students will challenge themselves less and avoid difficult tasks.

Question 17

Which of the following is a real-world example of the misuse of intelligence testing in history?

Accepted Answer

The eugenics movement, which led to forced sterilization and restrictive immigration laws

Question 18

Which of the following best describes the relationship between IQ and job performance?

Accepted Answer

IQ scores predict job performance better than job interviews.

Question 19

Which of the following is a key finding from adoption studies on intelligence?

Accepted Answer

Adopted children’s IQs are influenced by both their biological and adoptive environments.

Question 20

Which of the following is TRUE about emotional intelligence?

Accepted Answer

It involves understanding and applying information about emotions.

Intelligence and IQ Testing: Controversy and Consensus

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