McGill PSYC 406 Psychological Tests Exam 1 - Questions with
Correct Answers (Verified Update)
50 questions
1. Which term refers to a sample of behavior obtained under standardized conditions and scored
by established rules?
A. Psychological test
B. Case conceptualization
C. Clinical judgment
D. Referral question
Correct Answer: A. Psychological test
Rationale: Standardization and objective scoring rules define a test.
2. J. McKeen Cattell is credited with:
A. Developing the MMPI
B. Creating the Wechsler scales
C. Coining the term 'mental test'
D. Introducing IRT
Correct Answer: C. Coining the term 'mental test'
Rationale: Cattell (1890) applied Galton's methods to measure sensory and motor abilities.
3. Which is a power test?
A. A clerical checking test with a 2-minute limit
B. A typing speed test
C. A reaction-time task
D. A math test with increasingly difficult problems and generous time
Correct Answer: D. A math test with increasingly difficult problems and generous time
Rationale: Power tests measure the highest difficulty level a person can handle.
4. Informed consent for testing must include:
A. The scoring key
B. The purpose of testing, how results will be used and limits of confidentiality
C. Copies of all items
D. Guaranteed results
Correct Answer: B. The purpose of testing, how results will be used and limits of
confidentiality
Rationale: Clients need enough information to make a voluntary decision.
5. The CPA Canadian Code of Ethics includes which four principles?
A. Beneficence, Fidelity, Justice, Autonomy only
B. Competence, Security, Validity, Reliability
C. Honesty, Kindness, Fairness, Loyalty
D. Respect for the Dignity of Persons and Peoples, Responsible Caring, Integrity in Relationships,
Responsibility to Society
Correct Answer: D. Respect for the Dignity of Persons and Peoples, Responsible Caring,
Integrity in Relationships, Responsibility to Society
Rationale: These are the four ordered principles of the Canadian code.
, 6. Which scale of measurement has a true zero point?
A. Interval
B. Ordinal
C. Ratio
D. Nominal
Correct Answer: C. Ratio
Rationale: Ratio scales (e.g., reaction time) allow statements like 'twice as fast.'
7. The standard deviation describes:
A. The most frequent score
B. The middle score
C. How spread out scores are around the mean
D. The relationship between two variables
Correct Answer: C. How spread out scores are around the mean
Rationale: Larger SDs mean scores are more variable.
8. About 95% of scores in a normal distribution fall within:
A. 1 standard deviation
B. 2 standard deviations of the mean
C. 3 standard deviations
D. 0.5 standard deviations
Correct Answer: B. 2 standard deviations of the mean
Rationale: 68-95-99.7 rule.
9. A score of 40 on a test with M = 50 and SD = 5 has a z-score of:
A. -1
B. -2
C. 2
D. -10
Correct Answer: B. -2
Rationale: (40 - 50) / 5 = -2.
10. A z-score of 1.0 equals which Wechsler deviation IQ?
A. 110
B. 100
C. 130
D. 115
Correct Answer: D. 115
Rationale: 100 + 15(1) = 115.
11. A correlation coefficient can range from:
A. 0 to 1.00
B. 0 to 100
C. -100 to +100
D. -1.00 to +1.00
Correct Answer: D. -1.00 to +1.00
Rationale: The sign shows direction; the absolute value shows strength.
Correct Answers (Verified Update)
50 questions
1. Which term refers to a sample of behavior obtained under standardized conditions and scored
by established rules?
A. Psychological test
B. Case conceptualization
C. Clinical judgment
D. Referral question
Correct Answer: A. Psychological test
Rationale: Standardization and objective scoring rules define a test.
2. J. McKeen Cattell is credited with:
A. Developing the MMPI
B. Creating the Wechsler scales
C. Coining the term 'mental test'
D. Introducing IRT
Correct Answer: C. Coining the term 'mental test'
Rationale: Cattell (1890) applied Galton's methods to measure sensory and motor abilities.
3. Which is a power test?
A. A clerical checking test with a 2-minute limit
B. A typing speed test
C. A reaction-time task
D. A math test with increasingly difficult problems and generous time
Correct Answer: D. A math test with increasingly difficult problems and generous time
Rationale: Power tests measure the highest difficulty level a person can handle.
4. Informed consent for testing must include:
A. The scoring key
B. The purpose of testing, how results will be used and limits of confidentiality
C. Copies of all items
D. Guaranteed results
Correct Answer: B. The purpose of testing, how results will be used and limits of
confidentiality
Rationale: Clients need enough information to make a voluntary decision.
5. The CPA Canadian Code of Ethics includes which four principles?
A. Beneficence, Fidelity, Justice, Autonomy only
B. Competence, Security, Validity, Reliability
C. Honesty, Kindness, Fairness, Loyalty
D. Respect for the Dignity of Persons and Peoples, Responsible Caring, Integrity in Relationships,
Responsibility to Society
Correct Answer: D. Respect for the Dignity of Persons and Peoples, Responsible Caring,
Integrity in Relationships, Responsibility to Society
Rationale: These are the four ordered principles of the Canadian code.
, 6. Which scale of measurement has a true zero point?
A. Interval
B. Ordinal
C. Ratio
D. Nominal
Correct Answer: C. Ratio
Rationale: Ratio scales (e.g., reaction time) allow statements like 'twice as fast.'
7. The standard deviation describes:
A. The most frequent score
B. The middle score
C. How spread out scores are around the mean
D. The relationship between two variables
Correct Answer: C. How spread out scores are around the mean
Rationale: Larger SDs mean scores are more variable.
8. About 95% of scores in a normal distribution fall within:
A. 1 standard deviation
B. 2 standard deviations of the mean
C. 3 standard deviations
D. 0.5 standard deviations
Correct Answer: B. 2 standard deviations of the mean
Rationale: 68-95-99.7 rule.
9. A score of 40 on a test with M = 50 and SD = 5 has a z-score of:
A. -1
B. -2
C. 2
D. -10
Correct Answer: B. -2
Rationale: (40 - 50) / 5 = -2.
10. A z-score of 1.0 equals which Wechsler deviation IQ?
A. 110
B. 100
C. 130
D. 115
Correct Answer: D. 115
Rationale: 100 + 15(1) = 115.
11. A correlation coefficient can range from:
A. 0 to 1.00
B. 0 to 100
C. -100 to +100
D. -1.00 to +1.00
Correct Answer: D. -1.00 to +1.00
Rationale: The sign shows direction; the absolute value shows strength.
