MCQs of Education – Change your future

741. I.Q of a student having same physical and mental age will be?

Correct Answer: Correct answer is: (C) 100.

Exam Relevance: GRE, GMAT, SAT, IQ Tests

Difficulty: Easy

Concept notes: The Intelligence Quotient (I.Q.) is a score derived from standardized tests designed to measure human intelligence. It is calculated based on the ratio of mental age to chronological age, multiplied by 100.

Common Mistakes: Students often confuse the formula for calculating I.Q. with other psychological measurements or misinterpret the meaning of mental and chronological age.

Explanations: The I.Q. is calculated using the formula: I.Q. = (Mental Age / Chronological Age) * 100. If a student has the same physical and mental age, the ratio of mental age to chronological age is 1. Multiplying this ratio by 100 gives an I.Q. of 100.

Option Analysis:

Option A: 140 is incorrect because it would indicate a higher mental age than chronological age, which is not the case here.
Option B: 120 is incorrect because it would also indicate a higher mental age than chronological age, which is not the case here.
Option C: 100 is correct because it represents the standard I.Q. when mental age equals chronological age.
Option D: 50 is incorrect because it would indicate a lower mental age than chronological age, which is not the case here.

Mnemonic: Mental Age Matches, I.Q. Stays at 100.

742. The I.Q of a student having twelve years mental age and ten years physical age will be?

Correct Answer: Correct answer is: (B) 120.

Exam Relevance: GRE, GMAT, IQ Tests

Difficulty: Easy

Concept notes: The Intelligence Quotient (I.Q.) is calculated using the formula: I.Q. = (Mental Age / Physical Age) * 100.

Common Mistakes: Students may mistakenly use the physical age in the numerator or forget to multiply by 100.

Explanations: To find the I.Q., we use the formula: I.Q. = (Mental Age / Physical Age) * 100. Given the mental age is 12 years and the physical age is 10 years, we substitute these values into the formula: I.Q. = (12 / 10) * 100 = 1.2 * 100 = 120.

Option Analysis:

Option A: Incorrect, as the calculation does not yield 140.
Option B: Correct, as the calculation yields 120.
Option C: Incorrect, as the calculation does not yield 100.
Option D: Incorrect, as the calculation does not yield 90.

Mnemonic: Mental over Physical times 100, IQ is the score.

743. The quality of test that measures "what it claims to measure" is?

Correct Answer: Correct answer is: (A) Validity.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Easy

Concept notes: Validity refers to the extent to which a test measures what it claims to measure.

Common Mistakes: Students often confuse validity with reliability, which refers to the consistency of test results.

Explanations: Validity is the quality of a test that measures what it claims to measure. This means that if a test is designed to measure a specific construct or trait, it should accurately reflect that construct or trait. Validity ensures that the test is not only consistent (reliable) but also measures the intended concept effectively.

Option Analysis:

Option A: Validity is the correct answer as it measures the accuracy of the test in measuring what it claims to measure.
Option B: Reliability refers to the consistency of the test results, not the accuracy of what it measures.
Option C: Objectivity refers to the absence of bias in the test, not the accuracy of what it measures.
Option D: Differentiability refers to the test's ability to distinguish between different levels of performance, not the accuracy of what it measures.

744. The characteristic of a test to discriminate between high achievers and low achievers is?

Correct Answer: Correct answer is: (D) Differentiability.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Moderate

Concept notes: Differentiability in the context of test characteristics refers to the ability of a test to distinguish between different levels of performance, particularly between high achievers and low achievers.

Common Mistakes: Students may confuse differentiability with reliability or validity, which are also important test characteristics but serve different purposes.

Explanations: Differentiability is the characteristic of a test that allows it to effectively discriminate between high achievers and low achievers. This means the test should be able to accurately identify individuals who perform well and those who do not, making it a crucial aspect for tests designed to differentiate between varying levels of performance.

Option Analysis:

Option A: Validity refers to the extent to which a test measures what it is intended to measure, not specifically the ability to differentiate between high and low achievers.
Option B: Reliability refers to the consistency of test results over time, not the ability to differentiate between different levels of performance.
Option C: Objectivity refers to the absence of bias in test scoring, not the ability to differentiate between high and low achievers.
Option D: Differentiability is the correct term for the ability of a test to discriminate between high and low achievers.

745. If the scoring of the test is not effected by any factor, quality of test is called?

Correct Answer: Correct answer is: (B) Objectivity.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Easy

Concept notes: Objectivity in testing refers to the consistency and fairness of scoring, ensuring that the test results are not influenced by external factors or biases.

Common Mistakes: Students may confuse objectivity with reliability, which refers to the consistency of test results over time.

Explanations: Objectivity in testing ensures that the scoring of the test is not affected by any external factors, such as the scorer's personal biases or the testing environment. This means that the test results are consistent and fair, reflecting the true abilities of the test-takers without any undue influence. Therefore, the quality of the test that is not affected by any factor is called objectivity.

Option Analysis:

Option A: Validity refers to the extent to which a test measures what it is supposed to measure, not the consistency of scoring.
Option B: Objectivity ensures that the scoring of the test is not influenced by external factors, making it the correct choice.
Option C: Reliability refers to the consistency of test results over time, not the fairness of scoring.
Option D: Differentiability refers to the ability of a test to distinguish between different levels of performance, not the fairness of scoring.

746. The quality of test to give same scores when administered at different occasions is?

Correct Answer: Correct answer is: (C) Reliability.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Easy

Concept notes: Reliability refers to the consistency of a test or measurement. A reliable test yields similar scores when administered under consistent conditions.

Common Mistakes: Students often confuse reliability with validity. Validity refers to the accuracy of a test, while reliability refers to its consistency.

Explanations: Reliability is the quality of a test to produce consistent results over time. When a test is reliable, it means that if the same test is administered to the same individual on different occasions, the scores will be similar. This consistency is crucial for the test to be considered reliable.

Option Analysis:

Option A: Validity refers to the extent to which a test measures what it is supposed to measure, not the consistency of scores over time.
Option B: Objectivity refers to the absence of bias in the test, ensuring that scores are not influenced by the tester's personal opinions or biases.
Option C: Reliability refers to the consistency of test scores when the test is administered at different times.
Option D: Differentiability refers to the ability of a test to distinguish between different levels of performance or ability.

747. The quality of test showing ease of time, cost, administration and interpretation is called?

Correct Answer: Correct answer is: (A) Usability.

Exam Relevance: GRE, GMAT, LSAT

Difficulty: Easy

Concept notes: Usability in the context of test quality refers to the ease with which a test can be administered, interpreted, and understood in terms of time, cost, and practicality.

Common Mistakes: Students may confuse usability with reliability, which focuses on the consistency and stability of test results.

Explanations: Usability is the quality of a test that measures how easy it is to administer, interpret, and understand the test in terms of time, cost, and practicality. This makes it the correct answer as it directly addresses the ease of time, cost, administration, and interpretation.

Option Analysis:

Option A: Usability is the correct term for the ease of administering and interpreting a test.
Option B: Reliability refers to the consistency of test results, not the ease of administration.
Option C: Objectivity refers to the absence of bias in test scoring, not the ease of administration.
Option D: Differentiability refers to the test's ability to distinguish between different levels of performance, not the ease of administration.

748. Facility index of an item determines?

Correct Answer: Correct answer is: (C) Ease or difficulty.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Easy

Concept notes: The facility index, also known as the difficulty index, is a measure used in educational testing to determine the ease or difficulty of a test item.

Common Mistakes: Students may confuse the facility index with other statistical measures like discrimination index or reliability index.

Explanations: The facility index is calculated as the proportion of test-takers who answered the item correctly. A high facility index indicates that the item is easy, while a low facility index indicates that the item is difficult. Therefore, the facility index directly measures the ease or difficulty of an item.

Option Analysis:

Option A: The facility index does not measure reliability, which is the consistency of test results over time.
Option B: The facility index does not measure objectivity, which is the fairness and impartiality of the test item.
Option C: The facility index measures the ease or difficulty of an item, which is the correct answer.
Option D: The facility index does not measure discrimination power, which is the ability of an item to differentiate between high and low performers.

749. High and low achievers are sorted out by?

Correct Answer: Correct answer is: (D) Discrimination power.

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Moderate

Concept notes: Discrimination power refers to the ability of a test to distinguish between high and low achievers.

Common Mistakes: Students may confuse discrimination power with reliability or objectivity, which are different concepts in test evaluation.

Explanations: Discrimination power is a measure used in test evaluation to determine how well a test can differentiate between high and low achievers. This is crucial for ensuring that the test is effective in identifying students who have mastered the material and those who have not. Reliability and objectivity, while important, do not specifically address the ability to sort out high and low achievers.

Option Analysis:

Option A: Reliability refers to the consistency of test results, not the ability to distinguish between high and low achievers.
Option B: Objectivity refers to the fairness and impartiality of the test, not the ability to distinguish between high and low achievers.
Option C: Ease or difficulty refers to the level of challenge of the test, not the ability to distinguish between high and low achievers.
Option D: Discrimination power is the correct answer as it specifically measures the test's ability to differentiate between high and low achievers.

Mnemonic: D for Discrimination, D for Distinguish

750. Test item is acceptable which its faculty index /difficulty level ranges from?

Correct Answer: Correct answer is: (C) 30-70 %

Exam Relevance: GRE, GMAT, LSAT, MCAT

Difficulty: Moderate

Concept notes: The faculty index or difficulty level of a test item is a measure of how challenging the item is for the test-takers. A well-designed test item should neither be too easy nor too difficult to ensure it effectively discriminates between different levels of ability.

Common Mistakes: Students often mistakenly believe that the ideal difficulty level should be either very high or very low, failing to recognize the importance of a balanced range.

Explanations: The ideal range for the faculty index or difficulty level of a test item is between 30% and 70%. Items that are too easy (above 70%) do not effectively differentiate between high and low ability students, while items that are too difficult (below 30%) may discourage students and fail to accurately measure their knowledge. Therefore, a range of 30-70% ensures that the test items are appropriately challenging and can effectively discriminate between different levels of student ability.

Option Analysis:

Option A: 30% is too low, making the item too difficult.
Option B: 70% is too high, making the item too easy.
Option C: 30-70% is the ideal range for test item difficulty.
Option D: None is incorrect as there is a specific range for difficulty.

Mnemonic: Remember: "30-70, not too low, not too high."

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6 thoughts on “MCQs of Education - Set 75”

Amina Khatun January 1, 2020
Dada,apnar EI practice set tar Kno jobab nei….vison helpful 🙏🙏
JITENDRA KUMAR SETHI April 23, 2020
Better question
vijay April 26, 2020
Q44
Wilhelm Wundt opened the Institute for Experimental Psychology at the University of Leipzig in Germany in 1879.
Aliza Ali December 14, 2020
I don,t agree with mcq no.759🤨
KISHOR RAMDHAN GHUNAWAT April 26, 2021
Nice sir Thanks for.
Syed Zaheer Abbas September 2, 2021
بہت مرہ آیا قسم سے ، from Skardu rundu Pakistan

6 thoughts on “MCQs of Education - Set 75”

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