2.8.B Skill in creating data collection tools, for example questionnaires, surveys, and structured interviews.
According to Jack Phillips (1997), there are five ways to determine whether an instrument is valid:
Reliability is the ability of the same measurement to produce consistent results over time. Certain types of data are inherently reliable.
Test reliability and validity are maximized if the level of difficulty for answering most test items is more than just a lucky guess and, at the same time, the degree of difficulty is not too high.
Research Methods (Scientific)
Hi. I am Craig Engstrom, I am posting some daily study notes as I cover each of the capabilities covered in the new Association for Talent Development's CPTD certification exam.