MCQ
school-lecturer-p1-edpsych-t10 MCQ - Practice Questions with Answers
Solve 20 school-lecturer-p1-edpsych-t10 questions for RAS/RPSC preparation.
Practice questions
Q1Which set contains only measures of variability used in educational measurement?
The accepted measures of variability include range, quartile deviation, mean deviation and standard deviation. Mean, median and mode are measures of central tendency, while reliability, validity, objectivity and correlation belong to other measurement concepts.
Q2A score distribution has a long tail toward the higher-score side, and its three averages are ordered as mode < median < mean. Which description is correct?
Skewness is the asymmetry of a distribution. In positive skewness, the tail extends to the right and the usual order of averages is mode < median < mean; kurtosis terms such as mesokurtic and platykurtic describe peakedness, not tail direction.
Q3Which set of properties correctly describes the normal probability curve used in educational measurement?
In standard educational statistics, the normal probability curve is symmetrical and bell-shaped, and its mean, median and mode coincide at the centre. Its tails are asymptotic, so they approach the baseline but never actually touch it; skewed, rectangular or bimodal shapes are different distributions.
Q4Which list gives S. S. Stevens' four scales of measurement in their usual order from least to most informative?
S. S. Stevens classified measurement scales as nominal, ordinal, interval and ratio. The distractors disturb either the category-to-rank sequence or the interval-to-ratio distinction, so they do not state the accepted order.
Q5A newly developed reasoning test is administered to applicants during selection, and its scores are correlated with their training performance measured six months later. Which type of validity is most directly being examined?
Criterion-related validity has two main forms: concurrent and predictive. When the criterion is measured later, as with training performance after six months, the evidence is predictive validity rather than content or construct validity.
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6Which statement about the scale level of educational scores and labels is incorrect?
7Match each educational variable with the most appropriate scale of measurement. I. Gender category II. Rank in a merit list III. Celsius classroom temperature IV. Time taken to complete a test
8Which statement about objectivity in scoring is incorrect?
9Consider the following statements about dispersion in test scores. I. Range is highly affected by only two extreme scores. II. Standard deviation uses the deviations of all scores from the mean. III. Standard deviation is generally regarded as the most reliable and widely used measure of variability. IV. Quartile deviation is identical to the arithmetic mean. How many statements are correct?
10Match the standard-deviation interval under a normal curve with the approximate percentage of cases included within it.
11Which ordering correctly represents the breadth of the three terms in educational measurement?
12Assertion: Celsius temperature is an interval scale, not a ratio scale. Reason: Its zero point is arbitrary and does not mean complete absence of temperature.
13In a score distribution, which pair correctly identifies the three measures of central tendency and their meanings?
14Match the statistical measure with what it primarily expresses. I. Range II. Quartile deviation III. Mean deviation IV. Standard deviation
15A class test has most students clustered around 45 marks, but three very high scores near 95 pull the distribution sharply to one side. Which average is usually the most representative for reporting the typical performance?