by Craig Marker | Dec 22, 2006 | Uncategorized
Mplus is becoming a commonly used statistical modeling program that is used for structural equation modeling. It has many unique features (e.g., easy syntax, item-response analysis, latent-class analysis, indirect effects calculations, and random coefficients) that...
by Craig Marker | Dec 22, 2006 | Uncategorized
An earlier post tried to clarify Type 1 and Type II errors. However, more clarification may be needed. Another way of thinking about Type I and Type II errors is to look at the experimenter’s conclusions.TYPE I ERRORIf the experimenter concludes that there was a...
by Craig Marker | Dec 22, 2006 | Uncategorized
One easily confused relationship is between Type I and Type II errors.A Type I error is when we reject the Null Hypothesis when in fact their was no effect (The Null Hypothesis always states that there is no relationship or no effect). That is, we conclude we found...
by Craig Marker | Dec 22, 2006 | Uncategorized
When looking at statistical databases, I have seen many elegant (and inelegant) methods of coding variables. One consistent coding question is how to code gender. Some people code 1 for male and 2 for female or the other way around. This means of coding leads to...
by Craig Marker | Dec 21, 2006 | Uncategorized
From TheOnion.com:Al Gore Caught Warming Globe To Increase Box Office ProfitsAl Gore Caught Warming Globe To Increase Box-Office Profits
