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Useful For |
Code Book |
Reports |
Provides a quick look at all your variables at once. The level of measurement automatically controls which summary statistics are displayed. |
Frequencies |
Descriptives |
Tells you how many of each category value you have. Most useful for categorical variables because you can run all of them at once. |
Descriptives |
Descriptives |
Gets basic scale variable information, such as the mean and standard deviation. |
Explore |
Descriptives |
Based on a famous book, Exploratory Data Analysis, looks at all kinds of variables as well as pairs of variables. |
Crosstabs |
Descriptives |
Tests to see if categorical variables are independent of each other or related to each other. |
Means |
Compare Means |
Calculates subgroup means and related statistics for dependent variables within categories of one or more independent variables. |
One-Sample T-Test |
Compare Means |
Tests whether the mean of a single variable differs from a specified value (for example, a group using a new learning method compared to the school average). |
Independent Samples T-Test |
Compare Means |
Tests whether the means for two groups differ on a continuous dependent variable (for example, females versus males on income). |
Paired Samples T-Test |
Compare Means |
Tests whether a significant difference exists in the mean under two conditions (for example, before versus after, or standing versus sitting). |
One-Way ANOVA |
Compare Means |
Tests whether the means for two or more groups differ on a continuous dependent variable (for example, drug1 versus drug2 versus drug3 on depression). |
Bivariate Correlation |
Correlate |
Determines the similarity in the way two continuous variables change in value from one case (row) to another through the data. |
Linear Regression |
Regression |
Predicts a continuous dependent variable from one or more continuous independent variables |
One Sample |
Nonparametric Tests |
Compares the distribution of a categorical dependent variable to population norms. |
Independent Samples |
Nonparametric Tests |
Tests whether the means or medians for two or more different groups differ on a dependent variable. |
Related Samples |
Nonparametric Tests |
Tests whether the means or medians of the same group differ under two conditions or time points. |
Univariate |
General Linear Model |
An extension of one-way ANOVA in which there is more than one independent variable. |
Multivariate |
General Linear Model |
An extension of one-way ANOVA in which there is more than one dependent variable. |
Repeated Measures |
General Linear Model |
An extension of the paired-samples t-test in which the same group is assessed under two or more conditions or time points. |
Binary Logistic |
Regression |
Used in situations similar to linear regression but the dependent variable is dichotomous. |
Multinomial Logistic |
Regression |
An extension of binary logistic regression in which the dependent variable is not restricted to two categories. |
Discriminant |
Classify |
Builds a predictive model for group membership based on the linear combinations of predictors that best separate the groups. |