Short answer4 marksValidity & reliability
Q1. Differentiate between validity and reliability. Explain why a test can be reliable but not valid.
0 words · Suggested: 80–150 words
Short answer4 marksTable of specifications
Q2. Prepare a table of specifications for a 20-item Grade 7 science test covering three topics – Cells (40%), Plants (35%) and Human Body (25%) – at three cognitive levels: Remember (30%), Understand (40%), Apply (30%).
0 words · Suggested: 80–150 words
Short answer4 marksItem analysis
Q3. For an item: Upper group (n = 25) – 20 correct; Lower group (n = 25) – 8 correct. Calculate the difficulty index and discrimination index and interpret both.
0 words · Suggested: 80–150 words
Short answer4 marksItem writing
Q4. Identify the flaws in the following MCQ and rewrite it correctly: "Photosynthesis takes place in the ____ of a plant. (a) roots (b) green leaves, which contain chlorophyll and absorb sunlight (c) all of the above (d) stem"
0 words · Suggested: 80–150 words
Extended answer10 marksValidity & reliability
Q5. Your school's Grade 9 final examination is criticised because students who do well in class often score poorly, and two teachers marking the same papers give very different marks. Analyse the possible problems in terms of validity and reliability, and propose a step-by-step plan to improve the examination.
0 words · Suggested: 300–500 words