Q: A child who is 10 years old performs at a mental age of 8. Using the IQ formula $IQ = \frac{\text{Mental Age}}{\text{Chronological Age}} \times 100$, what is the child's IQ?

$IQ = \frac{8}{10} \times 100 = 80$

Q: A 12-year-old child performs at a mental age of 15. Calculate their IQ using the formula $IQ = \frac{\text{Mental Age}}{\text{Chronological Age}} \times 100$.

$IQ = \frac{15}{12} \times 100 = 125$

Question 1

Which of the following best describes fluid intelligence?

Accepted Answer

The ability to solve novel problems and adapt to new situations.

Question 2

A child who is 10 years old performs at a mental age of 8. Using the IQ formula $IQ = \frac{	ext{Mental Age}}{	ext{Chronological Age}} 	imes 100$, what is the child's IQ?

Accepted Answer

$IQ = \frac{8}{10} 	imes 100 = 80$

Question 3

Which of the following is NOT a purpose of early IQ testing as developed by Binet and Simon?

Accepted Answer

Measuring overall life intelligence.

Question 4

According to the Wechsler IQ scale, what classification would a score of 132 fall under?

Accepted Answer

Very Superior / Gifted range

Question 5

Which statement about IQ scores is most accurate?

Accepted Answer

IQ scores are stable but can be influenced by environment and effort.

Question 6

The Flynn Effect refers to which phenomenon?

Accepted Answer

IQ scores tend to increase over generations.

Question 7

Why are extreme IQ scores (very high or very low) harder to measure accurately?

Accepted Answer

Test questions are designed for average intelligence.

Question 8

A psychologist wants to measure a student's ability to adapt to new problem-solving situations. Which type of intelligence should they assess?

Accepted Answer

Fluid intelligence

Question 9

If a child receives an IQ score of 72 on the Wechsler scale, how should this score be interpreted?

Accepted Answer

Below Average / Learning difficulties

Question 10

Which of the following is a key recommendation for administering IQ tests to children?

Accepted Answer

Provide snacks, breaks, and a comfortable environment.

Question 11

A 12-year-old child performs at a mental age of 15. Calculate their IQ using the formula $IQ = \frac{	ext{Mental Age}}{	ext{Chronological Age}} 	imes 100$.

Accepted Answer

$IQ = \frac{15}{12} 	imes 100 = 125$

Question 12

Which of the following is TRUE regarding the stability of IQ scores?

Accepted Answer

IQ scores are generally stable but can be influenced by environment and effort.

Question 13

Why should IQ tests generally be administered only for medical or educational purposes?

Accepted Answer

They measure only academic intelligence and may not reflect other abilities.

Question 14

Which scenario best illustrates the concept of crystallized intelligence?

Accepted Answer

A person uses their accumulated vocabulary and historical knowledge to win a trivia contest.

Question 15

If a child is underperforming on an IQ test due to lack of stamina or focus, what is the most likely explanation?

Accepted Answer

The child is younger and may not have developed sustained attention.

Question 16

Which of the following is NOT measured by standard IQ tests?

Accepted Answer

Creativity

Question 17

A student scores 120 on the Wechsler IQ scale. What is their classification?

Accepted Answer

Above Average / High average

Question 18

Which factor is most likely to improve the accuracy of IQ test results?

Accepted Answer

Testing in a comfortable environment with breaks and snacks.

Question 19

If a child has a chronological age of 9 and a mental age of 9, what is their IQ using the formula $IQ = \frac{	ext{Mental Age}}{	ext{Chronological Age}} 	imes 100$?

Accepted Answer

$IQ = \frac{9}{9} 	imes 100 = 100$

Question 20

Which of the following statements about the influence of environment on IQ is most accurate?

Accepted Answer

A favorable environment allows normal development unless severe damage occurs.

Intelligence and IQ Testing: Key Concepts and Applications

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