Statistics notes from Statistical Methods on Psychology by David Howell
Central Limit Theorem: Given a population with mean mu and variance sigma squared, the sampling distribution of the mean (distribution of sample means) will have a mean of mu and a variance of sigma squared divided by n. The distribution will approach the normal distribution as [...]

Chapter 6 - Categorical Data and Chi-square

A multinomial distribution is one that has a range of possible mutually exclusive and exhaustive outcomes for each event, for instance rolling a number greater than three, a number starting with the letter T, or a one. The probability of an event is given by

A chi-square distribution is a [...]

At Macquarie we are developing a system to record micro teaching sessions and have students provide reflective comments about them. The videos are going to be captured using Podcast Capture, Photobooth, or some such tool. Then students will upload them to the new video server that has been setup. Finally an Eportfolio tool such as [...]