Drill — Data collection, measurement, validity & reliability

15 practice questions on Data collection, measurement, validity & reliability, each with an explanation. The first 2 are free.

By subtopic

• Levels of measurement — nominal, ordinal, interval and ratio 1 question
• Data collection methods — questionnaire, interview, observation and records 1 question
• Rating scales — Likert, visual analogue and semantic differential 1 question
• Reliability — test-retest, inter-rater and internal consistency (Cronbach's alpha) 1 question
• Validity — face, content, criterion and construct; pilot study 1 question

Free today: the 10-question daily quiz · the NORCET 11 recall paper · what ₹999 unlocks — once, no auto-renewal.