Question: Twenty items on a test had discrimination (D) values between .10 and .67. Four items had discrimination (D) values of .00. Three items had a

Twenty items on a test had discrimination (D) values between .10 and .67. Four items had discrimination (D) values of .00. Three items had a discrimination (D) values between -.25 and -.40. What should you do? Question 13 options: Leave the test as is. It is a good range of discriminations Remove or rewrite the items with the negative discriminations. You need to know what the difficulties are before you decide. Remove the items with D of .00 because discriminations need to be negative or positive

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

PSYC 421 ITEM DEVELOPMENT AND Student Name: ANALYSIS WORKSHEET Section: PSYC421- LaTarsha Jones D02 PART 1: Writing Multiple Choice Test Items (Cohen et al., 2013, pg. 252) Develop one multiple...

PSYC 421 ITEM DEVELOPMENT AND ANALYSIS WORKSHEET Student Name: Section: PSYC421- PART 1: Writing Multiple Choice Test Items (Cohen et al., 2013, pg. 252) Develop one multiple choice question that...

Read the case study carefully (please zoom in the pictures) and answer the following: A) Demonstrate with specific examples two to three of the Communication functions, which were implemented...

ID Grip Strength (X) (X-Mean)2 98.5 3.4596 Histogram of Grip Strength in male EXSC 415 students $5.5 1.2996 10 95.0 2.6896 98.0 1.8496 126.5 891.6196 90.0 44.0896 114.0 301.3696 108.0 129.0496 124.0...

Hello. Can you help with this four question problem? Case PRIVATE EQUITY CASE: MERGER CONSOLIDATION The questions below COMBINE the Ohio & Maryland PT acquisitions as if they are a single c Learning...

Complete the following problems from Chapter 12 in Financial Management: Theory and Practice : Chapter 12: Topics: Additional Funds Needed, Forecasted Statements and Ratios, Financing Deficits...

Journal of the Scholarship of Teaching and Learning, Vol. 12, No.2, June 2012, pp. 39-64. Differences in procrastination and motivation between undergraduate and graduate students Li Cao1 Abstract:...

Solutions from Montgomery, D. C. (2012) Design and Analysis of Experiments, Wiley, NY Chapter 6 k The 2 Factorial Design Solutions 6.1. An engineer is interested in the effects of cutting speed (A),...

Answer the following questions based on the article and explain your answer. Correlations among Stress, Physical Activity and Nutrition: School Employee Health Behavior Are the research problems,...

A heavy flywheel rotating at n revolutions per minute is rigidly attached to the end of a shaft of diameter d (see figure). If the bearing at A suddenly freezes, what will be the maximum angle of...

What is the momentum in MeV/c of an electron with a kinetic energy of 2.00 MeV?

what is the difference gaap vs tax vs 704(b) capital account

29. A shop that sells candles offers a scented candle, which has a monthly demand of 460 boxes. Currently, the shop purchases the candels from a supplier and the EOQ is 126. Candles can also be...

3. Avoid making mistakes when reaching our goals

4. Achieve our positive goals (1 and 3 are motivated by avoiding the negative, while 2 and 4 are motivated by the positive). b. Initiative: When I communicate with others, I think it is very...

18. In the statements below, put a cross for the statement you feel characterizes yourself best when you communicate with others. Its not necessarily the way you know you should communicate, but the...