Process of validating a questionnaire cheap dating ideas for couples
For example, if you are performing a time critical experiment, you will be using some type of stopwatch.
Generally, it is reasonable to assume that the instruments are reliable and will keep true and accurate time.
Test-retest statistic examination revealed stability of the responses at two time points 10 weeks apart.
The final questionnaire consists of 29 items and the psychometrics indicated that it is valid and reliable.
Eliminating other potential causal relationships, by using controls and duplicate samples, is the best way to ensure that your results stand up to rigorous questioning.
Other researchers must be able to perform exactly the same experiment, under the same conditions and generate the same results.
This will reinforce the findings and ensure that the wider scientific community will accept the hypothesis.
Together, they are at the core of what is accepted as scientific proof, by scientist and philosopher alike.
By following a few basic principles, any experimental design will stand up to rigorous questioning and skepticism.