Training in Latent Growth Curve Modeling

There is a great summer institute sponsored by the American Psychological Association at the University of Virginia. Here is the description from the website:”This ATI is designed to highlight recent methodological advances in the analysis of longitudinal...

More Six Word Stories

I wrote an earlier post on a six word story contest held by Wired magazine in honor of Ernest Hemingway’s six word story (“For sale: baby shoes never worn”).A six word story is right up my alley for my writing capabilities. Thus, I have written a few more:Missed...

Are Positive Events More Likely?

Many studies have found an effect in which people predict that positive items are more likely to occur to them than negative items. A classic study by Rosenhan and Messick (1966) provided people with drawings of people with smiling faces or frowning faces. In one...

"For sale: baby shoes, never worn"

Wired.com had a short story contest commemorating what Ernest Hemingway called his best work, a six word short story (“For sale: baby shoes, never worn”). Many authors submitted their best stories. Some of my favorites are:“Nevertheless, he tried a third time.” James...

Null Hypothesis Controversy

Null Hypothesis testing is often credited to Sir Ronald Fischer. In 1919 Fisher started work at a small agricultural station. Here he analyzed extensive collections of agricultural data. This investigation resulted in a series of reports in which he pioneered the...