Psychology

Hank takes a look at WAIS and WISC intelligence tests and how bias can really skew both results and the usefulness of those results.

So, how many different kinds of intelligence are there? And what is the G-Factor? Have you ever taken an IQ Test? All of these things play into the fascinating and sometimes icky history of Intelligence Testing.

Herman Rorschach (no, not the guy from Watchmen) came up with the eponymous tests, but what do they mean?

Are ordinary people able to do terrible things? And if so, how many would give high electric shocks to an innocent student, just because they are following an order?

People say Einstein had an IQ of 160, and you need an IQ score higher than 130 to join Mensa. But does IQ really measure how intelligent you are?

In 1942, a mother-daughter duo named Katherine Cook Briggs and Isabel Briggs Myers developed a questionnaire that classified people’s personalities into 16 types. Called the Myers-Briggs Type Indicator, or MBTI, it would become one of the most widely-used personality tests. But do these tests actually reveal truths about personality?

For nearly a century, ten inkblots have been used as an almost mystical personality test. But what can inkblots really tell us, and how does this test work?

Explore the history of IQ tests; how they measure a person’s intelligence and the ways they have been used to justify scientifically baseless ideologies.