Our Persuasive Public Speaking Skills Seminar - Germany will guide you step-by-step and hands-on, in developing tightly structured, authentically delivered powerful presentations – online or in our face-to-face workshop in Germany.

Construct Validity

When constructing a test, for whatever purpose, the question of test validity needs to be addressed. Test validity asks to what extent does the assessment tool being used truly measure what it purports to measure (known as construct validity in testing jargon). Take for example the classic I.Q test in the 1960s. These tests often found to be “invalid”, because they weren’t really measuring intelligence as they claimed to do, but rather, they were testing reading…