Which of the following statements is/are correct about “item-response theory”?
Show Hint
- It talks about how items should function based on the knowledge of an ability or trait.
- It compares responses to items to determine how well the items function.
- It is based on the assumption that many latent traits underlie test performance.
- It is a logistic function having one, two, or three parameters.
The Correct Option is A, B, D
Solution and Explanation
- IRT explains how test items function in relation to a latent trait or ability (A).
- It assesses item functionality by analyzing response patterns (B).
- IRT assumes a single latent trait rather than many underlying traits (C).
- Logistic functions with parameters model the relationship between ability and item response in IRT (D).
Thus, the correct answer is (A, B, D).
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The theory of psychoanalysis is based on \(\_\_\_\_\_\_\) method.
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In the Darwinian sense, \(\_\_\_\_\_\_\) refers to the ability of an organism to survive and produce a large number of fertile offspring.
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\[ \begin{array}{|c|l|} \hline \textbf{Theory of Learning} & \textbf{Psychologist} \\ \hline \text{I. Classical Conditioning} & \text{a. Ivan Pavlov} \\ \hline \text{II. Instrumental Conditioning} & \text{b. E. L. Thorndike} \\ \hline \text{III. Insightful Learning} & \text{c. W. Kohler} \\ \hline \text{IV. Trial \& Error Learning} & \text{d. B. F. Skinner} \\ \hline \end{array} \]
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\[ \begin{array}{|l|l|} \hline \textbf{Psychologist} & \textbf{Theory of Intelligence} \\ \hline \text{I. Charles Spearman} & \text{a. Level-I \& Level-II abilities} \\ \hline \text{II. Arthur Jensen} & \text{b. Triarchic theory of intelligence} \\ \hline \text{III. L. L. Thurstone} & \text{c. Structure of intelligence} \\ \hline \text{IV. Robert Sternberg} & \text{d. Two-factor theory of intelligence} \\ \hline \text{V. J. P. Guilford} & \text{e. Primary mental abilities} \\ \hline \end{array} \]
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- An organization allows its employees to work independently on consultancy projects but charges an overhead on the consulting fee.
The overhead is 20% of the consulting fee if the fee is up to ₹5,00,000.
For higher fees, the overhead is ₹1,00,000 plus 10% of the amount by which the fee exceeds ₹5,00,000.
The government charges a Goods and Services Tax (GST) of 18% on the total amount (i.e., the consulting fee plus the overhead).
An employee of the organization charges this entire amount — that is, the consulting fee, overhead, and tax — to the client.
If the client cannot pay more than ₹10,00,000, what is the maximum consulting fee that the employee can charge? The table lists the top 5 nations according to the number of gold medals won in a tournament; also included are the number of silver and the bronze medals won by them. Based only on the data provided in the table, which one of the following statements is INCORRECT?
Eight students (P, Q, R, S, T, U, V, and W) are playing musical chairs. The figure indicates their order of position at the start of the game. They play the game by moving forward in a circle in the clockwise direction.
After the 1st round, the 4th student behind P leaves the game.
After the 2nd round, the 5th student behind Q leaves the game.
After the 3rd round, the 3rd student behind V leaves the game.
After the 4th round, the 4th student behind U leaves the game.
Who all are left in the game after the 4th round?
A stick of length one meter is broken at two locations at distances of \( b_1 \) and \( b_2 \) from the origin (0), as shown in the figure. Note that \( 0<b_1<b_2<1 \). Which one of the following is NOT a necessary condition for forming a triangle using the three pieces?
Note: All lengths are in meter. The figure shown is representative.
- Identify the option that has the most appropriate sequence such that a coherent paragraph is formed:
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Q: In natural world, organisms constantly adapt to their environments in response to challenges and opportunities.
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S: As environments change, organisms that can adapt their behavior, structure, and physiology to such changes are more likely to survive.