
 Sampling Distribution
of the Mean
 This applet teaches fundamental properties of sampling
distributions of means such as accuracy of sample means,
probability, and effects of sample size.

  SDM
Applet
demonstration guide


 pz Converter
 This applet converts
probability values to z values and vice
versa. The simple version converts only righttail
p and z values. The graphic version allows the user to input lefttail p,
raw scores, and the mean and standard deviation of
the group of interest.


 Hypothesis Testing Applet
 This applet serves to introduce the logic of hypothesis testing
using zscores.


 Statistical
Power
 This applet introduces the concept of
power and the relationship between power and effect size, alpha, and
sample size.

  Power Applet
demonstration guide


 Confidence Interval Overlap
 This applet demonstrates how ttest p values are related to amount of overlap
of confidence intervals.
  Confidence Interval Overlap
demonstration guide


 Confidence Interval Creation
 This applet illustrates how demonstrate how the population distribution
and sample size influence confidence intervals.
  Confidence Interval Creation
demonstration guide


 Correlation and
Regression
 This applet demonstrates how the sum of squared
deviations is affected by the fit of the regression
line to data points.


 Signal Detection Theory
 SDT is a statistical theory of decision making which summarizes
a person's ability to discriminate between different classes of
items based upon their correct decisions (Hits) versus their Errors
(False Alarams). The applet also plots the ReceiverOperating
Characteristics.


 Classification, Utility, and
Decision Making
 An applet which assists in determining group membership based
upon test performance, utility of correct and incorrect
classification, and population base rates.


 Bootstrapping
 This applet can be used to help visualize the resampling method of bootstrapping.
"Resamples" from an original sample can be taken one at a time, or 10,000 at once,
ultimately providing a 95% confidence interval for the population mean or median.


 Confidence Interval Game
 This applet was designed to provide a fun method to learn about p
values. Challenge yourself and see how well your estimates match with the real value.
