What does item reliability assess in item analysis?
a) A measure of item quality
b) A measure of participant understanding
c) The consistency of responses to each item
d) How well an item aligns with research objectives
Explanation: Item reliability evaluates the consistency of responses to individual items within a research instrument.
What is involved in item modification within the item analysis process?
a) Collecting additional data
b) Removing items from the instrument
c) Rewording or revising items based on analysis results
d) Increasing the number of items in the instrument
Explanation: Item modification entails making changes to items, such as rephrasing or revising them, based on analysis outcomes.
Why is pilot testing conducted in research instruments?
a) To make the instrument more complex
b) To finalize the research objectives
c) To ensure that changes have improved instrument quality
d) To gather initial data for the study
Explanation: Pilot testing is conducted to confirm that the changes made through item modification have enhanced the quality of the instrument.
What is the primary objective of assessing item difficulty in item analysis?
a) To create ambiguous items
b) To measure item reliability
c) To identify items that are either too easy or too challenging
d) To collect data from participants
Explanation: Assessing item difficulty helps identify items that may be excessively easy or difficult for participants.
What does "suitability" of items refer to in item analysis?
a) Whether items are complex
b) Whether items align with research objectives
c) Whether items are vague
d) Whether items are difficult to understand
Explanation: Suitability of items in item analysis pertains to whether items align with the research objectives and are suitable for the research context and target population
