CCEA A-Level Health and Social Care 0003
Promoting Quality Care
Communication in Health, Social Care and Early Years Settings
Health and Well-Being
Safeguarding Children
Adult Service Users
Holistic Therapies
Understanding the Physiology of Health and Illness
Applied Research
Body Systems and Physiological Disorders
Providing Services
Public Health and Health Promotion
Supporting the Family
Understanding Human Behaviour
Human Nutrition and Health
Applied Research
Validity and reliability in research design
- 3 things to know
- A2 1
Overview
Term validity, term reliability and difference between validity and reliability.
What you need to know
Answer each one before you reveal it.
Define the term reliability.
Explain the difference between validity and reliability.
Questions from this subtopic
Each one with the model answer underneath.
- 1
Define the term validity.
Model answer
Validity is the extent to which a research tool measures the thing it claims to measure.
- 2
Define the term reliability.
Model answer
Reliability is the extent to which a research tool gives consistent results when it is used again under the same conditions.
- 3
Explain the difference between validity and reliability.
Model answer
A reliable tool gives the same answer every time and a valid tool gives the right answer, so a tool can be perfectly consistent and still measure the wrong thing.
- 4
What is face validity?
Model answer
Face validity is whether a tool looks, on inspection, as though it measures what it is supposed to measure.
- 5
How is face validity checked?
Model answer
Face validity is checked by asking colleagues, a supervisor or a few likely respondents whether the questions appear to fit the objectives.
- 6
What is content validity?
Model answer
Content validity is whether a tool covers every part of the topic the objectives set out, with no important area left out.
Other ways to work this
The same content, four other ways.
What is inside Levo
Six ways to work the same material.
Every question in Applied Research, on a schedule.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
Or £46 a year, about £3.83 a month. Cancel anytime.