DNA phenotyping for appearance: A forensic dead end

One of my guilty pleasures is true crime television shows. I’m fascinated by the twists and turns that go into identifying, accusing, and convicting a criminal and the mystery surrounding those who have (so far) gotten away with their crimes. Several years ago, a new forensic technique called DNA phenotyping caught my eye. DNA phenotyping

10 little-know facts about the Terman longitudinal study of the gifted

Next year, 2021, marks the 100th anniversary of the beginning of Lewis Terman’s Genetic Studies of Genius. This was a study of 1,528 children high-IQ children that spanned 74 years of physical, cognitive, and social development. Although the Genetic Studies of Genius is one of the most famous studies in psychology, its size (consisting thousands

The lost intelligence tests

Last year, I co-authored an article with my student where we identified the first known publication of the subtests that appear on the Stanford-Binet 5, the WPPSI-IV, WISC-V, and WAIS-IV (Gibbons & Warne, 2019). Much to our suprise, we found that the majority of subtest formats on these popular intelligence tests were created by 1908.

Terman’s non-geniuses: Shockley and Alvarez

Over the years, I’ve become a scholar of Lewis Terman’s Genetic Studies of Genius, which was a study that followed the lives of 1,528 high-IQ children from 1921 to 1999. It’s a landmark study in the history of psychology and was groundbreaking in the fields of methodology, gifted education, intelligence research, and developmental psychology (Warne,

The most important graph in educational psychology

The most important graph in educational psychology is buried in an appendix of an article, but it explains so much about how individual differences have important consequences in adulthood. The graph comes from an article by Jonathan Wai and his colleagues (2009, p. 834) and is shown below. The graph is based on data from

Comparing the 1975 and 1996 APA statements on intelligence

One of the most highly cited articles in intelligence research is a 1996 report commissioned by the American Psychological Association’s Board of Scientific Affairs to provide an authoritative statement on the science of intelligence (Neisser et al., 1996). What many people do not know, though, is that this was not the first time APA’s Board