Q: A psychologist wants to measure a child's intelligence using a standardized test. Which formula should they use to calculate the child's IQ score?

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

Question 1

Which of the following best describes the difference between fluid intelligence (Gf) and crystallized intelligence (Gc)?

Accepted Answer

Fluid intelligence is the ability to solve new problems and think logically in novel situations, while crystallized intelligence is based on accumulated knowledge and experience.

Question 2

A psychologist wants to measure a child's intelligence using a standardized test. Which formula should they use to calculate the child's IQ score?

Accepted Answer

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

Question 3

Which of the following is an example of the harmful misuse of intelligence testing, as described in the study materials?

Accepted Answer

Using intelligence tests to justify forced sterilization policies, such as the Sexual Sterilization Act.

Question 4

Which of the following statements about heritability is TRUE?

Accepted Answer

Heritability estimates the proportion of variation in intelligence within a population that is due to genetic variation.

Question 5

A researcher is interested in the effect of removing a specific gene on learning in mice. Which method should they use?

Accepted Answer

Gene knockout studies

Question 6

Which of the following is NOT one of Thurstone's seven primary mental abilities?

Accepted Answer

Fluid intelligence

Question 7

The Flynn effect refers to which phenomenon?

Accepted Answer

The steady increase in average intelligence test scores over time

Question 8

Which of the following best illustrates the concept of 'stereotype threat'?

Accepted Answer

A student performs worse on a math test after being reminded of a negative stereotype about their gender.

Question 9

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

Accepted Answer

It is difficult to empirically measure and test all proposed intelligences.

Question 10

A psychologist is using the WAIS to assess intelligence. Which indices are combined to compute the General Ability Index (GAI)?

Accepted Answer

Verbal Comprehension Index and Perceptual Reasoning Index

Question 11

Which of the following best describes the 'g factor' in intelligence theory?

Accepted Answer

A general intelligence factor that underlies specific mental abilities

Question 12

Which of the following is an example of a real-world application of intelligence testing that has been criticized for cultural bias?

Accepted Answer

Using intelligence tests to select students for gifted programs in multicultural schools

Question 13

Which of the following is a correct formula for deviation IQ?

Accepted Answer

$ IQ = \frac{	ext{Person's Test Score}}{	ext{Average Score of People the Same Age}} 	imes 100 $

Question 14

Which of the following is an example of a monotropic substance?

Accepted Answer

A drug believed to enhance intelligence or cognitive functioning

Question 15

Which of the following is a limitation of using intelligence as a construct?

Accepted Answer

Interpretation and usage can produce harm if mismeasured or misused

Question 16

Which of the following best describes the main finding regarding Einstein's brain?

Accepted Answer

Einstein's brain had a higher glial-to-neuron ratio in the left parietal lobe than the average brain.

Question 17

Which of the following is a possible explanation for the Flynn effect?

Accepted Answer

Modern society requires more abstract thinking, which may raise performance on IQ tests.

Question 18

Which of the following is an example of an environmental factor that can influence intelligence?

Accepted Answer

Socioeconomic status (SES)

Question 19

Which of the following is a correct statement about the relationship between intelligence and the prefrontal cortex?

Accepted Answer

Declining fluid intelligence with age may reflect reduced efficiency of the prefrontal cortex.

Intelligence: Theories, Measurement, and Influences (Chapter 9 Study Notes)

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