TestUstad

Free Research Methods and Statistics MCQs with Answers

263 Research Methods and Statistics MCQs from Psychology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Last updated

263 questions · page 10 of 14

181. Standardization includes formalizing testing procedures and establishing

  • A. goals
  • B. plans
  • C. norms
  • D. formsTry Prep Courses

Explanation: Standardization involves uniform testing procedures plus norms, which show how an individual's score compares with scores from a…

Read the full explanation →
Correct answer: norms

182. Which of the following is an approach to measuring reliability?

  • A. Negative correlation
  • B. Double-blind
  • C. Content
  • D. Test-retest

Explanation: Test-retest reliability checks consistency by administering the same test to the same people on two occasions and correlating the scores.

Read the full explanation →
Correct answer: Test-retest

183. In testing consistency is to______as truth is to__________?

  • A. Idealism; repetitiveness
  • B. Repetitiveness; idealism
  • C. Validity; reliability
  • D. Reliability; validity

Explanation: Consistency refers to reliability, while truth or accuracy refers to validity.

Read the full explanation →
Correct answer: Reliability; validity

184. All of the following refer reliability EXCEPT______reliability.

  • A. Split-half
  • B. Test-retest
  • C. Predictive
  • D. Parallel forms

Explanation: Split-half, test-retest, and parallel-forms methods assess reliability, or consistency of measurement.

Read the full explanation →
Correct answer: Predictive

185. If a test has good test-retest reliability:

  • A. there is a strong correlation between items on the test.
  • B. it accurately measures what it says it measures.
  • C. it can be used to predict future performance.
  • D. they test yields similar scores if taken at two different times.

Explanation: Test-retest reliability concerns stability over time: a reliable test gives similar scores when the same person takes it on two occasions.

Read the full explanation →
Correct answer: they test yields similar scores if taken at two different times.

186. Serat has developed a new test. He gives the test to 1,000 people. Six weeks later he gives the test to the same 1,000 people. Serat is assessing the______of his test.

  • A. split-half reliability
  • B. test-retest reliability
  • C. alternate form reliability
  • D. criterion validity

Explanation: Giving the same test to the same people twice and correlating their scores measures test-retest reliability, or score stability over time.

Read the full explanation →
Correct answer: test-retest reliability

187. Katrina received a 740 on her Math SAT. She decided to take the SAT again and are so similar is because the SAt has high

  • A. predictability
  • B. reliability
  • C. generalizability
  • D. validity.

Explanation: Similar SAT scores across two administrations indicate high reliability, meaning the test produces consistent results.

Read the full explanation →
Correct answer: reliability

188. A college administrator is trying to assess whether an admissions test accurately predicts how well applicants will perform at his school. The administrator is most obviously concerned that the test is:

  • A. standardized
  • B. normally distributed
  • C. reliable
  • D. valid

Explanation: Because the administrator wants to know whether test scores predict later performance at the college, he is concerned with predictive…

Read the full explanation →
Correct answer: valid

189. When interpreting the results from the final exam, Professor Hisham noticed that the students who had test from A scored significantly higher than those who had test from B. Professor Hisham concluded that the final exam was low on:

  • A. alternate-from reliability
  • B. split-half reliability.
  • C. content validity.
  • D. criterion reliability.Psychology

Explanation: If two versions of the same exam produce substantially different results, the exam has low alternate-form reliability.

Read the full explanation →
Correct answer: alternate-from reliability

190. If a test is_____, it will also be______.

  • A. reliable; valid
  • B. reliable; normal
  • C. valid; reliable
  • D. standardized; valid

Explanation: Validity requires consistency: a test cannot accurately measure its intended construct if its results are unreliable.

Read the full explanation →
Correct answer: valid; reliable

191. Factor analysis is a statistical procedure that can be used to:

  • A. evaluate how accurately test items predict a criterion behavior.
  • B. derive IQ scores by comparing mental age with chronological age.
  • C. extract test norms from a standardization sample.
  • D. identify clusters of closely related test items

Explanation: Factor analysis examines correlations among test items and groups items that measure related abilities into clusters or factors.

Read the full explanation →
Correct answer: identify clusters of closely related test items

192. Ana has a score of 115 on an IQ test that can be compared to the score of hundreds of other people who took the some test. The capability to compare scores statistically is a function of

  • A. norms
  • B. validity.
  • C. reliability.
  • D. stability.

Explanation: Norms provide a reference distribution from a standardization group, allowing Ana’s score of 115 to be interpreted relative to hundreds of…

Read the full explanation →
Correct answer: norms

193. Researchers are in the process of developing a new college entrance exam. They want to ensure that wherever the test is given, it will be administered scored, and interpreted in the same manner. In other words, the researchers are concerned with

  • A. standardization
  • B. reliability
  • C. quantification
  • D. psychophysics

Explanation: Standardization ensures that a test is administered, scored, and interpreted under the same conditions for everyone.

Read the full explanation →
Correct answer: standardization

194. Intelligence tests are most likely to be considered culturally biased in terms of their:

  • A. predictive validity.
  • B. factor analysis.
  • C. normal distribution.
  • D. content validity

Explanation: Cultural bias is most directly examined through content validity, asking whether the test material unfairly reflects one cultural group's…

Read the full explanation →
Correct answer: content validity

195. Professor Ehsan gave his class a twenty-question test covering two weeks of class material. Fifteens were on the structures of the brain, although he only spent ten minutes talking about the brain. Professor Ehsan's test did not appear to have adequate_______validity.

  • A. criterion
  • B. predictive
  • C. alternate form
  • D. content

Explanation: Content validity asks whether a test adequately represents the material it is intended to cover.

Read the full explanation →
Correct answer: content

196. If you score at the 75th percentile on a standardize test, it means that:

  • A. 75% of those who took the test scored better than you did.
  • B. 25% of those who took the test scored less than you did.
  • C. 75% of those who took the test scored same or less than you did.
  • D. you answered 75% of thes correctly.

Explanation: The 75th percentile means the score is equal to or higher than the scores of about 75% of the comparison group.

Read the full explanation →
Correct answer: 75% of those who took the test scored same or less than you did.

197. Why is the difficult to evaluate the effectiveness of psychotherapeutic treatments?

  • A. Self-selection into therapy leads to biased samples
  • B. Creating true control groups for comparison
  • C. The number of possible treatment-disorder combinations to assess
  • D. Most patients do not give consent to participate in research
  • E. a,b and c

Explanation: Psychotherapy research is difficult because patients self-select into treatment, true untreated control groups can be difficult to create…

Read the full explanation →
Correct answer: a,b and c

198. Although newspapers reported that a murder victim had been stabbed with a knife, two police investigators knew that the actual murder weapon was a letter openor. While carefully monitoring the changes in heart and perspiration level of a prime suspect, the investigators asked him if he typically used a letter opener on his mail. The investigators were making use of the:

  • A. Relative deprivation principle.
  • B. Guilty knowledge test
  • C. Adaptation-level phenomenon
  • D. Two-factor theoryTake Psychology Courses

Explanation: The guilty knowledge test presents details known only to investigators and the perpetrator, then looks for autonomic reactions to…

Read the full explanation →
Correct answer: Guilty knowledge test

199. A polygraph (lie detector) works by: ___________?

  • A. Monitoring physiological indices of autonomic arousal.
  • B. Directly assessing the truthfulness of a person's statements.
  • C. Monitoring the person's facial expressions.
  • D. All of the above.

Explanation: A polygraph records autonomic arousal indicators such as heart rate, blood pressure, respiration, and sweating.

Read the full explanation →
Correct answer: Monitoring physiological indices of autonomic arousal.

200. The, "Is your address(person's address)?" asked during the administration of a lie detector test, is a(n)______question.

  • A. Control
  • B. Critical
  • C. Relevant
  • D. Irrelevant

Explanation: An irrelevant question concerns neutral information that should not provoke deception-related arousal, such as a person's address.

Read the full explanation →
Correct answer: Irrelevant
Start Free Research Methods and Statistics Practice MCQs Test