Blog 2017-02-21T14:06:02+00:00
906, 2019

Positive Psychology Interventions Have Limited Impact, and It Is Time to Celebrate

June 9th, 2019|Categories: Psychology|

A recent study published in PLoS ONE conducted a reanalysis of a meta-analysis on Positive Psychology Interventions (PPI’s). A meta-analysis is, in simple terms, a statistical means of combining data from a lot of studies, and is an analysis of analysis. The results of a meta-analysis are often more robust than single studies as they combine data from multiple sources.

605, 2019

Gamification in Personnel Selection and the Need for Real-world Evaluation

May 6th, 2019|Categories: Psychology|Tags: , , |

The International Journal of Selection and Assessment recently included a feature article on the gamification of assessment. While the research methodology in the article was sound, I could not help but think that the article in many ways symbolised what is wrong with much of the assessment literature that emphasises psychometric properties as opposed to practical utility.

1204, 2019

Finally, Some Good News of the Replication Front – Sorta

April 12th, 2019|Categories: Academia, Psychology, Science|Tags: , , , |

While the failure to replicate findings from the psychological literature has been a common critique of psychology in the recent press, one area of psychology which does appear to replicate is that of trait-based prediction, a finding that is especially relevant for I/O Psychology.

2703, 2019

The Insignificance of Significance Testing

March 27th, 2019|Categories: Psychometrics, Science|Tags: , |

This week, scientists from around the world have made a call to stop the over-reliance on the use of statistical significance testing as a means of establishing what constitutes good science. The problem it seems is that the general public, and many researchers, don’t seem to understand the significance of