The minimum size of a sample in experimental research is...? Mcqs

✅ Correct Answer: 15 per group

✅ Correct Answer: 20% of the population

✅ Correct Answer: groups

✅ Correct Answer: Reflect

✅ Correct Answer: artificial

✅ Correct Answer: variables

✅ Correct Answer: Observation

✅ Correct Answer: stage

✅ Correct Answer: Non equivalent

✅ Correct Answer: Valid

✅ Correct Answer: empty

✅ Correct Answer: time