Evaluation of research

Question 1

what is & how to ensure reliability

Answer 1

Reliability: whether a test is consistent across time

How to ensure reliability:
If the test is repeated will it get the same results?

Question 2

what is & how to ensure validity

Answer 2

Validity: ability of an experiment to measure what it is intended to measure.

How to ensure validity:
How does the test compare to other similar tests?
Is the test able to predict other related attributes/ characteristics of the test-taker, related to the topic?

Question 3

what are the aspects of evaluation of research

Answer 3

• Was the sample representative of the population? Can the data be generalised to the population?
• Was the sample representative of the population? Can the data be generalised to the population?
• Was the sample representative of the population? Can the data be generalised to the population?
• Was the sample representative of the population? Can the data be generalised to the population?