Why do we care about reliability?

Before providing a more complete introduction to reliability, and validity for that matter, it is important to understand why we care about reliability. According to the American Psychological Association (APA), there are two main reasons we should care about reliability. To paraphrase their first...

Genius Alert: 3 Common Mistakes When Interpreting Correlation

Over the years there have been many urban legends created surrounding the idea of correlation. Yet so many clearly have no logical connection when it comes to causation. One of the attributes that makes TTI Success Insights leaders in the field of assessment solutions is the countless hours our...