Frequently Mistaken DNB MCQs


DNB Tricky 100: Frequently Mistaken DNB MCQs


This mock test has 100 DNB MCQs that are frequently mistaken by candidates. The questions are chosen using by assessing thousands of candidate responses on G2M server. It is specifically done to enhance your DNB 2016 study and to give an advantage in the item response scoring. This will be the first of a series of Power Mock exams to enhance your AIIMS May 2016, AIPGMEE 2017 and DNB July 2016 exam preparation.

This mock test is highly recommended for DNB 2016 and AIPGMEE 2017 preparation. It is a must attend for Platinum Access candidates

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a) Exam starts on 29th March and ends on 31 March 2016 at midnight.
b) Answers and corrections are available only to attendees (even if you have platinum access)
c) Answers and corrections are available immediately after exam attendance.
d) Rank list with statistics is available only on 1st April 2016

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DNB CET Scoring & Results: 3 Tips and insight for DNB July 2016 Exam

300-MCQ, multiple question papers are used for different sessions and days between 1st and 4th July 2015. A process of linking, equating and scaling is used to score for the final results. 

Linking: When DNB CET tests are purposefully built to be different (e.g. 8 different exam papers in 4 days), there will me major differences in their difficulty levels and content. A linking process is conducted to establish a relationship between the different test scores. When DNB-CET tests contain very different content, linking will not be adequate for all purposes of scoring. 

Equating: Equating various DNB CET exams is a way of specific linking. It is a process used to make different DNB CET tests conducted over 4 days interchangeable. Equating adjusts the difficulty levels of each exams. After equating score forms can be used interchangeably. 

Scaling: Scaling is  process of changing the raw scores into a different scale. If a candidate receives a raw score of 205 in DNB CET, it is impossible to know how well he or she did without knowing the total number of points of other candidates. Item Response Theory (IRT) is used to scale the results. Rather than relating scores on two DNB exams, scaling transforms scores on one test to a different metric that is more easily interpreted and understood. At  this stage there is only only 1 score for everyone. 

Why is IRT used for DNB CET?

GateToMedicine interviewed experts on exam results measurements to simplify the process for the better understanding of candidates.  The IRT models shows a probabilistic relationship between the candidates response on a test and some latent trait such as reading ability or some personality trait e.g. guessing. 

What do you need to know? 

There are 4 parameters in the IRT scaling process that is important to know. Parameters a, b, q and c. 

Item Difficulty (parameter b): This this the point where the candidate has a probability of getting the answer correct. Candidate’s ability parameter ‘q’ correlates to this. A candidate with the same ability as the question difficulty will have a 50% chance of getting it correct. People with higher ability will have a higher chance. Hence a b parameter of ‘0’ means average difficulty. Scores of ‘b’ parameter ranges between -3 to +3. Here ability and difficulty levels are assessed. This process is similar to the one used on G2M genius. 

Item discrimination (parameter a): In simple terms this determines how much the question or item contributes to a student’s ability level. E.g. a new question added for the exam can be rated 3 and a frequently repeated question could be rated 1. This means that higher the item is rated, candidates ability is scored higher. Hence a continuous supply of new questions from important topics is important in high scores.

Pseudo-guessing parameter (parameter c):  To is to check the probability of a person with a very low ability getting a correct response to the MCQ. This identifies whether guessing was involved in the response. And questions or items with his ‘c’ score are rated low in ability assessment. 

3 Important Tips for good DNB CET results using equating and item response scaling

Tip 1: Master the ‘Difficult Questions’: 

difficultThe new method of assessment means that it is important to master the ‘difficult questions’. Let me clarify what is a difficult question. It is not a question that you have not revised yet. A difficult MCQ for DNB CET is a question that 70% of the people make mistake. If you get this right you have a scoring advantage!

Practical Tip: One easy way of finding questions that most people mistake is by using the difficulty filter or G2M Study panel. Use your platinum access and screen for difficult question from AIPGMEE and DNB packs. See the screen below:

Difficult questions are assessed by the G2M server from questions that 65% candidates got wrong. This percent will be revised before AIPGMEE. Make sure you revise all ‘difficult level’ questions before DNB. You may not be able to do this with books or course materials.

Tip 2: High Yielding New Topics

The MCQs which are about the ‘latest’ and the new advances in clinical practice, which are recently contributed often gets scored highly in DNB CET. This is often from the high yield and advancing topics. High-Cognitive MCQs score more than others. You may also read the article on High Cognitive MCQs (Clinical Vignettes).

Practical Tips: You may follow the 101 High Yield Topics on Platinum Access prior to AIPGMEE. See the HYT Calendar Below. 

H-Y-T Calendar & INTEREST Submit

Also revise the High Cognitive MCQs (Clinical Vignettes) Read More Here.

Tip 3: Practice to Avoid Surprise in DNB CET Results

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G2M Genius is also a good platform to revise with Item Response Theory Application. Your progress to a clever level after attempting 100s of questions will indicate thorough preparation for IRT. This is because your answers and ability are constantly assessed against others as in the real DNB 2016 and AIPGMEE 2017 exam. Use your Platinum Access to attend G2M Genius (each packs separately for revision). 

Attend the Top 100 frequently mistaken DNB MCQs for your DNB CET July 2016 preparation and AIPGMEE 2017.  This mock test is highly recommended for DNB CET 2016 and AIPGMEE 2017. Also learn about DNB CET Scoring & Results

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