Statistics MCQs
Topic Notes: Statistics
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
What term describes the extent to which a measurement technique, concept, or process accurately measures what it is intended to measure?
Answer:
validity
Validity refers to the accuracy of an assessment or measurement tool. It determines whether the instrument truly measures the construct it claims to measure. While reliability focuses on the consistency of results over time or across different conditions, validity focuses on the truthfulness or correctness of the measurement in relation to the intended objective, ensuring that the data collected is relevant and meaningful for the research question.
2
How is the extent to which a measurement tool accurately captures the intended concept or variable defined?
Answer:
reliability
The provided answer is 'reliability', though in psychometrics, validity is typically defined as the accuracy of a measure in capturing the intended concept, while reliability refers to consistency. There is a potential conflict between standard definitions and the provided answer key. We present the answer as requested.