SPSS for Beginners > How to run a MANCOVA in SPSS Multivariate Analysis of Covariance (MANCOVA) is similar to an ANCOVA, except there are one or more covariates in the model. The model has many assumptions to test for (and…
MANCOVA Assumptions
Hypothesis Testing > Multivariate analysis of of covariance (MANCOVA) is used to test the statistical significance of the effects of one or more independent variables on a two or more dependent variables, after controlling for covariates. MANCOVA, like other statistical…
MANCOVA Sample Size
Hypothesis Testing > MANCOVA Sample Size About the MANCOVA Sample Size MANCOVA (Multivariate Analysis of Covariance) tests for a statistically significant difference on the effect of an independent variable on two or more dependent variables, while removing the effects of…
Descriptive Statistics SPSS
SPSS For Beginners > How Do I get SPSS to Generate Descriptive Statistics? SPSS has two primary options for calculating statistics: Descriptives (for basic statistics like mean, median, range and standard deviation) and Frequencies (additional options like Quartiles, Percentiles, and…
Sinusoidal Regression: Definition, Desmos Example, TI-83
Regression Analysis > Sinusoidal regression finds a trigonometric model that gives the curve of best fit. The idea is the same as finding the line of best fit in linear regression. However, instead of finding a straight line, this time…
Zero-Sum Game Definition
Probability > In game theory, a branch of math that models competition and conflict, a zero-sum game is where one person wins and the other loses. The net change in wealth for this type of game is zero, hence the…
Outliers SPSS
SPSS for Beginners > Outliers in SPSS: Overview SPSS uses Tukey’s method to identify outliers, which are visible on boxplots. Finding outliers using that method can be thought of as a rule of thumb, not a statistical rule set in…
BINOMDIST Excel (BINOM.DIST)
Excel for Statistics > The Excel BINOM.DIST / BINOMDIST function is a way to create a binomial distribution from a set of data entered into a worksheet. Use this function to calculate probabilities for problems with: A fixed number of…
Two Way ANOVA in SPSS
SPSS for Beginners > A Two Way ANOVA in SPSS has two independent variables. You would use a two way ANOVA when you have one measurement (scale) variable and two nominal variables. In the hypothetical example that follows, we are…
Tests for Normality in SPSS
SPSS for Beginners > The two major tests for normality in SPSS are the Shapiro-Wilk and KS Test. However, you can also check skewness, kurtosis, histograms, and QQ plots. All of this can be achieved with running a single analysis.…