Question 1

The validity of a test indicates which of the following?

Accepted Answer

A) How consistent someone's scores are between a first test and a retest 
B) How many of its question are neither too easy nor too difficult 
C) How many institutions have considered the test to be useful 
D) How well its scores predict some type of performance 
A) How consistent someone's scores are between a first test and a retest 
B) How many of its question are neither too easy nor too difficult 
C) How many institutions have considered the test to be useful 
D) How well its scores predict some type of performance

Question 2

Why does every revision of an IQ test make the test more difficult?

Accepted Answer

A) To challenge students to work harder 
B) To increase the number of children who qualify for special education 
C) To keep the mean score from increasing above 100 
D) To decrease the variation in scores 
A) To challenge students to work harder 
B) To increase the number of children who qualify for special education 
C) To keep the mean score from increasing above 100 
D) To decrease the variation in scores

Question 3

The search for individual genes related to intelligence has led to what result,so far?

Accepted Answer

A) No genes influence intelligence. 
B) One gene has been found that leads to "genius" level intelligence. 
C) Three genes control most of the variation in intelligence. 
D) Intelligence relates to many genes with small effects. 
A) No genes influence intelligence. 
B) One gene has been found that leads to "genius" level intelligence. 
C) Three genes control most of the variation in intelligence. 
D) Intelligence relates to many genes with small effects.

Question 4

The terms mentally challenged or mentally disabled are generally limited to people with IQ scores less than what?

Accepted Answer

A) 48 to 50, depending on the test 
B) 58 to 60, depending on the test 
C) 68 to 70, depending on the test 
D) 78 to 80, depending on the test 
A) 48 to 50, depending on the test 
B) 58 to 60, depending on the test 
C) 68 to 70, depending on the test 
D) 78 to 80, depending on the test

Question 5

What does it mean if a 6-year-old and an adult both have a score of 120 on the Stanford-Binet?

Accepted Answer

A) Each of them answered the same number of questions. 
B) Each did equally well, relative to other people of their own age. 
C) The 6-year-old is more intelligent than the adult. 
D) The adult is more intelligent than the 6-year-old. 
A) Each of them answered the same number of questions. 
B) Each did equally well, relative to other people of their own age. 
C) The 6-year-old is more intelligent than the adult. 
D) The adult is more intelligent than the 6-year-old.

Question 6

When psychologists have revised the IQ tests every few years,what has been the trend?

Accepted Answer

A) Each revision uses simpler vocabulary and sentence structure. 
B) Each revision makes the test easier. 
C) Each revision makes the test more difficult. 
D) Each revision decreases the amount of variation in scores. 
A) Each revision uses simpler vocabulary and sentence structure. 
B) Each revision makes the test easier. 
C) Each revision makes the test more difficult. 
D) Each revision decreases the amount of variation in scores.

Question 7

Suppose Klingons claim that an IQ test is biased against them.What evidence would support their claim most strongly?

Accepted Answer

A) On average, Klingons are getting lower scores this year than they did last year. 
B) On average, Klingons get lower scores on this IQ test than non-Klingons do. 
C) On average, Klingons get better grades in school than the test scores predict. 
D) On average, Klingons get lower grades in school than the test scores predict. 
A) On average, Klingons are getting lower scores this year than they did last year. 
B) On average, Klingons get lower scores on this IQ test than non-Klingons do. 
C) On average, Klingons get better grades in school than the test scores predict. 
D) On average, Klingons get lower grades in school than the test scores predict.

Question 8

Suppose you take an IQ test,and ten years later you take the new,restandardized version of the same test.What will probably happen?

Accepted Answer

A) Your score will decrease. 
B) Your score will increase. 
C) You will get the same score. 
D) If you are male, your score will increase. If you are female, it will decrease. 
A) Your score will decrease. 
B) Your score will increase. 
C) You will get the same score. 
D) If you are male, your score will increase. If you are female, it will decrease.

Question 9

Which of the following is one possible explanation for g?​

Accepted Answer

A) Boys and girls develop different abilities because they have different interests. 
B) ​Separate abilities depend on the same influences, such as health and nutrition. 
C) ​Monozygotic twins share more of their genes than dizygotic twins do. 
D) ​Advances in technology expose children to more stimulation now than in the past. 
A) Boys and girls develop different abilities because they have different interests. 
B) ​Separate abilities depend on the same influences, such as health and nutrition. 
C) ​Monozygotic twins share more of their genes than dizygotic twins do. 
D) ​Advances in technology expose children to more stimulation now than in the past.

Question 10

If psychologists administer a new test once to a large representative sample of people,what are they probably trying to do?

Accepted Answer

A) Determine the heritability of the test scores 
B) Determine the reliability of the test scores 
C) Determine the validity of the test scores 
D) Standardize the test 
A) Determine the heritability of the test scores 
B) Determine the reliability of the test scores 
C) Determine the validity of the test scores 
D) Standardize the test

Question 11

Across countries,or across states within the United States,mean IQ correlates most strongly with what?

Accepted Answer

A) Mild winters 
B) Rainfall per month 
C) Good health 
D) Low taxes 
A) Mild winters 
B) Rainfall per month 
C) Good health 
D) Low taxes

Question 12

What does it mean if a test has a reliability of zero?

Accepted Answer

A) Scores fluctuate randomly from test to retest. 
B) Test scores follow a normal distribution with a mean of zero. 
C) People who do above average on the test will probably do above average on a retest. 
D) The test has zero error of measurement. 
A) Scores fluctuate randomly from test to retest. 
B) Test scores follow a normal distribution with a mean of zero. 
C) People who do above average on the test will probably do above average on a retest. 
D) The test has zero error of measurement.

Question 13

What did Spearman mean by the g factor in intelligence?​

Accepted Answer

A) Group 
B) ​Genius 
C) ​General 
D) ​Genetic 
A) Group 
B) ​Genius 
C) ​General 
D) ​Genetic

Question 14

What is true of a "standardized" test,compared to other tests?

Accepted Answer

A) Someone has established the norms for interpreting the test scores. 
B) The test attempts to measure a specialized type of ability. 
C) The test is used at many places throughout the country, if not the world. 
D) The test has higher reliability and validity than similar tests in its field. 
A) Someone has established the norms for interpreting the test scores. 
B) The test attempts to measure a specialized type of ability. 
C) The test is used at many places throughout the country, if not the world. 
D) The test has higher reliability and validity than similar tests in its field.

Question 15

​Which of these (IF IT WERE TRUE)would argue AGAINST Spearman's concept of the g factor?

Accepted Answer

A) On average, IQ scores have decreased over the last fifty years. 
B) ​People with good language skills tend to be below average at math. 
C) ​On average, older adults have higher IQ scores than younger adults. 
D) ​Dizygotic twins resemble each other in IQ scores more than monozygotic twins do. 
A) On average, IQ scores have decreased over the last fifty years. 
B) ​People with good language skills tend to be below average at math. 
C) ​On average, older adults have higher IQ scores than younger adults. 
D) ​Dizygotic twins resemble each other in IQ scores more than monozygotic twins do.

Question 16

If differences in heredity are important for differences in IQ scores,what should we expect to find?

Accepted Answer

A) IQ correlations should be equally high for monozygotic and dizygotic twins. 
B) ​IQ correlations should be higher for dizygotic than monozygotic twins. 
C) ​IQ correlations should be higher for monozygotic than dizygotic twins. 
D) ​IQ correlations should be higher for twins reared apart than reared together. 
A) IQ correlations should be equally high for monozygotic and dizygotic twins. 
B) ​IQ correlations should be higher for dizygotic than monozygotic twins. 
C) ​IQ correlations should be higher for monozygotic than dizygotic twins. 
D) ​IQ correlations should be higher for twins reared apart than reared together.

Question 17

To evaluate possible "bias" in a single test item,what evidence do psychologists examine?

Accepted Answer

A) If people take the same test twice, how many of them change their answer on this item? 
B) Is the item among the easiest for one group and among the hardest for another? 
C) Do most people answer the question correctly or incorrectly? 
D) What percentage of all people fail to answer the question at all? 
A) If people take the same test twice, how many of them change their answer on this item? 
B) Is the item among the easiest for one group and among the hardest for another? 
C) Do most people answer the question correctly or incorrectly? 
D) What percentage of all people fail to answer the question at all?

Question 18

What groups have shown the increase in IQ scores known as the Flynn effect?

Accepted Answer

A) Only Europeans and Americans 
B) Only people of Asian or African descent 
C) Only people who received formal education 
D) Nearly every group in the world 
A) Only Europeans and Americans 
B) Only people of Asian or African descent 
C) Only people who received formal education 
D) Nearly every group in the world

Question 19

What does the evidence indicate about possible bias of IQ tests regarding Blacks in the United States?

Accepted Answer

A) The fact that Blacks have lower IQ scores, on average, demonstrates test bias. 
B) The difference itself does not indicate bias, but Blacks with a particular IQ score do better in school than Whites with the same score, and that difference demonstrates test bias. 
C) Blacks with a particular IQ score do about equally well in school as Whites with the same score, and that result indicates a lack of test bias. 
D) Recently Black and White students have had the same IQ scores, demonstrating a lack of test bias. 
A) The fact that Blacks have lower IQ scores, on average, demonstrates test bias. 
B) The difference itself does not indicate bias, but Blacks with a particular IQ score do better in school than Whites with the same score, and that difference demonstrates test bias. 
C) Blacks with a particular IQ score do about equally well in school as Whites with the same score, and that result indicates a lack of test bias. 
D) Recently Black and White students have had the same IQ scores, demonstrating a lack of test bias.

Question 20

The IQ scores of monozygotic twins resemble each other most closely in what kind of family?

Accepted Answer

A) Prosperous families 
B) Impoverished families 
C) Families with left-handed parents 
D) Families with more than two children 
A) Prosperous families 
B) Impoverished families 
C) Families with left-handed parents 
D) Families with more than two children

Exam 9: Intelligenceintelligence

The validity of a test indicates which of the following?

Why does every revision of an IQ test make the test more difficult?

The search for individual genes related to intelligence has led to what result,so far?

The terms mentally challenged or mentally disabled are generally limited to people with IQ scores less than what?

What does it mean if a 6-year-old and an adult both have a score of 120 on the Stanford-Binet?

When psychologists have revised the IQ tests every few years,what has been the trend?

Suppose Klingons claim that an IQ test is biased against them.What evidence would support their claim most strongly?

Suppose you take an IQ test,and ten years later you take the new,restandardized version of the same test.What will probably happen?

Which of the following is one possible explanation for g?​

If psychologists administer a new test once to a large representative sample of people,what are they probably trying to do?

Across countries,or across states within the United States,mean IQ correlates most strongly with what?

What does it mean if a test has a reliability of zero?

What did Spearman mean by the g factor in intelligence?​

What is true of a "standardized" test,compared to other tests?

​Which of these (IF IT WERE TRUE)would argue AGAINST Spearman's concept of the g factor?

If differences in heredity are important for differences in IQ scores,what should we expect to find?

To evaluate possible "bias" in a single test item,what evidence do psychologists examine?

What groups have shown the increase in IQ scores known as the Flynn effect?

What does the evidence indicate about possible bias of IQ tests regarding Blacks in the United States?

The IQ scores of monozygotic twins resemble each other most closely in what kind of family?

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Which of the following is one possible explanation for g?

What did Spearman mean by the g factor in intelligence?

Which of these (IF IT WERE TRUE)would argue AGAINST Spearman's concept of the g factor?