Secret Tutorials2020-09-03T21:07:30+00:00
• Secret Tutorial: Linear Regression Analysis
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## Secret Tutorial: Linear Regression Analysis

By |November 23rd, 2020|Categories: Secret Tutorials|

A simple linear regression assesses the linear relationship between two continuous variables to predict the value of a dependent variable based on the value of an [...]

• Secret Tutorial: Independent Samples T-Test
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## Secret Tutorial: Independent Samples T-Test

By |November 22nd, 2020|Categories: Secret Tutorials|

The independent-samples t-test is used to determine if a difference exists between the means of two independent groups on a continuous dependent variable. More specifically, it [...]

• Secret Tutorial: Binomial Logistic Regression
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## Secret Tutorial: Binomial Logistic Regression

By |November 20th, 2020|Categories: Secret Tutorials|

A binomial logistic regression attempts to predict the probability that an observation falls into one of two categories of a dichotomous dependent variable based on one [...]

• Secret Tutorial: One-Way ANOVA
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## Secret Tutorial: One-Way ANOVA

By |November 19th, 2020|Categories: Secret Tutorials|

If you want to determine whether there are any statistically significant differences between the means of two or more independent groups, you can use a one-way [...]

• Secret Tutorial: Paired-Samples T-Test
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## Secret Tutorial: Paired-Samples T-Test

By |November 18th, 2020|Categories: Secret Tutorials|

The paired-samples t-test is used to determine whether the mean difference between paired observations is statistically significantly different from zero. The participants are either the same [...]

• Secret Tutorial: Pearson Product-Moment Correlation
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## Secret Tutorial: Pearson Product-Moment Correlation

By |November 13th, 2020|Categories: Secret Tutorials|

The Pearson product-moment correlation is used to determine the strength and direction of a linear relationship between two continuous variables. More specifically, the test generates a [...]

• Secret Tutorial: Hierarchical Multiple Regression
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## Secret Tutorial: Hierarchical Multiple Regression

By |November 13th, 2020|Categories: Secret Tutorials|

Like standard multiple regression, hierarchical multiple regression (also known as sequential multiple regression) allows you to predict a dependent variable based on multiple independent variables. However, the procedure [...]

• Secret Tutorial: Multiple Regression Analysis
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## Secret Tutorial: Multiple Regression Analysis

By |November 13th, 2020|Categories: Secret Tutorials|

A multiple regression is used to predict a continuous dependent variable based on multiple independent variables. As such, it extends simple linear regression, which is used when [...]

• Secret Tutorial: Chi-Square Test
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## Secret Tutorial: Chi-Square Test

By |November 12th, 2020|Categories: Secret Tutorials|

The chi-square test can be used to test a variety of sizes of contingency tables, as well as more than one type of null and alternative [...]

• Secret Tutorial: Two-Way ANOVA
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## Secret Tutorial: Two-Way ANOVA

By |November 12th, 2020|Categories: Secret Tutorials|

The two-way ANOVA is used to determine whether there is an interaction effect between two independent variables on a continuous dependent variable (i.e., if a two-way [...]

• Secret Tutorial: One-Way MANOVA
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## Secret Tutorial: One-Way MANOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The one-way multivariate analysis of variance (MANOVA) is an extension of the one-way ANOVA to incorporate two or more dependent variables (i.e., the one-way ANOVA investigates just one [...]

• Secret Tutorial: Three-Way Repeated Measures ANOVA
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## Secret Tutorial: Three-Way Repeated Measures ANOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The three-way repeated measures ANOVA is used to determine if there is a statistically significant interaction effect between three within-subjects factors on a continuous dependent variable [...]

• Secret Tutorial: Two-Way Repeated Measures ANOVA
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## Secret Tutorial: Two-Way Repeated Measures ANOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The two-way repeated measures ANOVA is used to determine if there is a statistically significant interaction effect between two within-subjects factors on a continuous dependent variable [...]

• Secret Tutorial: One-Way MANCOVA
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## Secret Tutorial: One-Way MANCOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The one-way multivariate analysis of covariance (one-way MANCOVA) can be thought of as an extension of the one-way MANOVA to incorporate a continuous covariate or an extension of [...]

• Secret Tutorial: One-Way Repeated Measures ANOVA
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## Secret Tutorial: One-Way Repeated Measures ANOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The one-way repeated measures analysis of variance (ANOVA) is an extension of the paired-samples t-test and is used to determine whether there are any statistically significant differences between [...]

• Secret Tutorial: Kaplan-Meier analysis
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## Secret Tutorial: Kaplan-Meier analysis

By |November 11th, 2020|Categories: Secret Tutorials|

The Kaplan-Meier method (Kaplan & Meier, 1958) (also known as the "product-limit method") is a nonparametric method used to estimate the probability of survival past given [...]

• Secret Tutorial: Two-Way MANOVA
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## Secret Tutorial: Two-Way MANOVA

By |November 11th, 2020|Categories: Secret Tutorials|

The two-way multivariate analysis of variance (two-way MANOVA) is often considered as an extension of the two-way ANOVA for situations where there are two or more dependent variables. [...]

• Secret Tutorial: Principal Components Analysis
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## Secret Tutorial: Principal Components Analysis

By |November 10th, 2020|Categories: Secret Tutorials|

Principal components analysis (PCA, for short) is a variable-reduction technique that shares many similarities to exploratory factor analysis. Its aim is to reduce a larger set [...]

• Secret Tutorial: Two-Way ANCOVA
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## Secret Tutorial: Two-Way ANCOVA

By |November 9th, 2020|Categories: Secret Tutorials|

The two-way ANCOVA is used to determine whether there is an interaction effect between two independent variables on a continuous dependent variable (i.e., if a two-way [...]

• Secret Tutorial: One-Way ANCOVA
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## Secret Tutorial: One-Way ANCOVA

By |November 9th, 2020|Categories: Secret Tutorials|

The analysis of covariance (ANCOVA) can be thought of as an extension of the one-way ANOVA to incorporate a covariate variable. This covariate is linearly related to the [...] 