Book chapters - Establishing the validity and reliability of a research insturment
5 important questions on Book chapters - Establishing the validity and reliability of a research insturment
What are external consistency procedures?
The 2 methods are test/retest and parallel forms of the same test.
What does the test/retest method do?
The ratio or difference between the test and retest scores is an indication of the rliability of the instrument.
Higher ratio = smaller difference = better reliability
What is the main problem with test/retest that the parallel forms of the same test procedure does not have?
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
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What are internal consistency procedures?
It is based upon the logic that if each item or question is an indicator of some aspect of a phenomenon, each segment constructed will still reflect different aspects of the phenomenon even though it is based upon fewer items/questions.
What is the split half technique?
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
