Q: Which formula correctly represents the calculation of Intelligence Quotient (IQ) using mental age and chronological age?

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

Question 1

Which of the following best illustrates the concept of 'cognitive economy' in human thinking?

Accepted Answer

Using mental shortcuts to categorize new information efficiently

Question 2

A child who calls every four-legged animal a 'dog' is demonstrating which cognitive process?

Accepted Answer

Assimilation

Question 3

Which heuristic is most likely at play when a person estimates the likelihood of an event based on how easily examples come to mind?

Accepted Answer

Availability heuristic

Question 4

A doctor is diagnosing a patient and relies on the most typical symptoms of a disease, ignoring base rates. Which error is the doctor making?

Accepted Answer

Representativeness heuristic

Question 5

Which formula correctly represents the calculation of Intelligence Quotient (IQ) using mental age and chronological age?

Accepted Answer

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

Question 6

Which of the following best describes 'framing' in decision making?

Accepted Answer

The way information is presented influences choices

Question 7

A person who solves a problem by following a step-by-step procedure is using which method?

Accepted Answer

Algorithm

Question 8

Which of the following is an example of 'functional fixedness'?

Accepted Answer

Failing to see that a coin can be used as a screwdriver

Question 9

Which term refers to the smallest units of sound in a language?

Accepted Answer

Phonemes

Question 10

A child says 'goed' instead of 'went.' This error is an example of:

Accepted Answer

Overregularization

Question 11

Which of the following best illustrates the difference between crystallized and fluid intelligence?

Accepted Answer

Crystallized intelligence involves accumulated knowledge; fluid intelligence involves problem-solving in novel situations.

Question 12

Which test is designed to measure general intelligence (g) in adults?

Accepted Answer

Wechsler Adult Intelligence Scale (WAIS)

Question 13

A person who is able to quickly generate multiple solutions to a problem is demonstrating:

Accepted Answer

Divergent thinking

Question 14

Which of the following is a critical period hypothesis in language development?

Accepted Answer

There is a window of time during which language acquisition occurs most easily

Question 15

If a person believes that intelligence is a single, general ability, which theory are they most likely to support?

Accepted Answer

Spearman's g theory

Question 16

Which of the following best describes the 'Flynn effect'?

Accepted Answer

The observed rise in average IQ scores over generations

Question 17

A student is given a list of words and asked to recall them later. If the student remembers the first and last words best, which effect is being demonstrated?

Accepted Answer

Serial position effect

Question 18

Which of the following is an example of metacognition?

Accepted Answer

Thinking about how you learn best before studying

Question 19

A researcher wants to test the reliability of an intelligence test. Which statistical method should they use?

Accepted Answer

Test-retest correlation

Question 20

Which of the following best explains why smart people sometimes believe strange things?

Accepted Answer

They may use their intelligence to rationalize beliefs rather than to question them

Thinking, Language, Intelligence, and Psychological Testing: Study Notes

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