Solve for the discrimination indexes of the following test items: Item No. 2 LG | UG...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Solve for the discrimination indexes of the following test items: Item No. 2 LG | UG | LG UG 1 3 4 UG | LG | UG LG UG LG No. of Correct Responses No. of Students 12 20 | 10 20 10 10 24 20 25 25 25 25 25 25 25 25 25 25 Discrimination Index Based on the computed discrimination index, which are good test items? Not good test items? 20 Solve for the discrimination indexes of the following test items: Item No. 2 LG | UG | LG UG 1 3 4 UG | LG | UG LG UG LG No. of Correct Responses No. of Students 12 20 | 10 20 10 10 24 20 25 25 25 25 25 25 25 25 25 25 Discrimination Index Based on the computed discrimination index, which are good test items? Not good test items? 20
Expert Answer:
Related Book For
Posted Date:
Students also viewed these mathematics questions
-
The following events concern Anita LeTourneau, a Manitoba law school graduate, for March 2017: 1. On March 4, she spent $20 on a lottery ticket. 2. On March 7, she won $250,000 in the lottery and...
-
THE Pacific Futures Trading Company For some time, theoretical and empirical evidence suggested that the Efficient Market Hypothesis, the Capital Asset Pricing Model, and other rational financial...
-
The following are the scores that 12 students obtained on the midterm and final examinations in a course in statistics: (a) Find the equation of the least squares line that will enable us to predict...
-
An investment project provides cash inflows of $710 per year for 9 years. Required: What is the project payback period if the initial cost is 3,550?
-
A purchasing manager is deciding whether to purchase a component part from one of two suppliers. Both suppliers offer the part with the same quality, and there is no difference between the suppliers...
-
A GlobalWebIndex study, as reported by TechCrunch (tcrn.ch/1MPKLRf), noted the percentage of adult Internet users that owned various devices. Suppose that a survey of 1,000 adult Internet users found...
-
You wish to move a crate. (a) Is there a minimum value for the magnitude of the pushing force you have to exert to set the crate in motion? (b) Is there a minimum value for the magnitude of the...
-
The following are concepts discussed in this chapter: 1. Preliminary judgment about materiality 2. Control risk 3. Risk of fraud 4. Estimated total misstatement in a segment 5. Planned detection risk...
-
6) A sinusoidal wave of amplitude A approaches and travels through a region of the string in which the mass per unit length changes gradually from p to p2. It can be shown that, in such a situation,...
-
The New Branch School District operates a fleet of 40 buses that serve approximately 1,000 students in grades K12. The bus operation involves 30 regular routes, plus special routes for activities,...
-
WHAT ARE THE 3 TYPES OF RETAILERS? WHAT ARE RETAIL MARKETING STRATEGIES FOR TARGETING, POSITIONING, PRICE, PROMOTION AND PLACE DECISIONS? WHAT IS WHOLESALING AND WHOLESALING FUNCTIONS? WHAT ARE THE...
-
The HIM Department director, a credentialed HIM professional, attends all local and state HIM association meetings and the AHIMA national convention and exhibit every year. As one of the conditions...
-
Design a one bit full adder using half adders. Write down it's truth table and also sketch it's logic circuit. 15. Suppose a binary output F is 1 iff the four binary inputs (A, B,C,D) represent a...
-
Consider the following recurrence: if i = 1 A(i, j) = A(i-1,j+1)+ A(i 1, j) otherwise CLARIFICATION: It is possible to substantially simplify this recurrence. Do not do so. Work with the recurrence...
-
(1.12 Study the circuit in Figure 1.30, and answer the following questions: a. What logic gate type does the indicator represent? b. What is the status (ON/OFF) of the indicator if push buttons A and...
-
The basic intuition behind Huffman's algorithm, that frequent blocks should have short encodings and infrequent blocks should have long encodings, is also at work in English, where typical words like...
-
vA bank loaned out $15,000 , part of it at the rate of 7% per year and the rest at 17% per year. If the interest received in one year totaled $1500 , how much was loaned at 7%? 1 answer
-
Is that Yelp review real or fake? The article A Framework for Fake Review Detection in Online Consumer Electronics Retailers (Information Processing and Management 2019: 12341244) tested five...
-
The A-36 steel circular tube is subjected to a torque of 10 kN # m. Determine the shear stress at the mean radius Ï = 60 mm and calculate the angle of twist of the tube if it is 4 m long and...
-
The joint is made from three A992 steel plates that are bonded together at their seams. Determine the displacement of end A with respect to end B when the joint is subjected to the axial loads. Each...
-
The H-beam is subjected to a shear of V = 80 kN. Sketch the shear-stress distribution acting along one of its side segments. Indicate all peak values 250'mm 30 mm 25 mm 300 mm 50 mm -25 mm
-
Consider a particle in a Newtonian potential \(V(r)=-k / r+\epsilon / r^{n}\) for some integer \(n\). Using the alternate variable \(u=1 / r\), (a) show that the radial equation of motion can be put...
-
Using numerical methods, solve the differential equation \[\frac{d q}{d t}=-\alpha q+\beta\] Compare your results with the exact solution as a function of the discrete time-step you use, and the...
-
Consider the logistic map discussed in the text. To gauge the density of bifurcations, one uses a measure of distance between fixed points as follows. Define \(d=x^{*}-(1 / 2)\) as the distance...
Study smarter with the SolutionInn App