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This video explains the differences between surveys, questionnaires and tests. These are very popular measurement instruments in the social sciences. You learn about the important characteristics of…
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English - en Department
FMG
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In this video Matthijs uses an example to discuss the important topics of this module. He shows how to test three hypotheses for a mean.
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English - en Department
FMG
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This video explains type I and type II errors that can occur in significance testing. Matthijs explains what statistical power (the power of a hypothesis test) is and why it is important.
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English - en Department
FMG
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This video shows you that two methods of inferential statistics, confidence intervals and significance tests, are closely related.
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English - en Department
FMG
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In this video Matthijs guides you through a step-by-step plan that you can use for hypothesis testing (significance testing) for means and proportions.
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English - en Department
FMG
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In this video Matthijs explains how to do a hypothesis test (significance test) for means.
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English - en Department
FMG
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In this video Matthijs explains how to do a hypothesis test (or significance test) for proportions.
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English - en Department
FMG
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This video introduces you to statistical hypotheses, that form the main ingredient for significance tests. Matthijs explains the logic of null-hypothesis testing.
This course consists of…
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English - en Department
FMG
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This video explains how the runs test works, which you can use to answer the question whether a sequence of categorical or numerical data is random based on the sequence of the individual labels.
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English - en Department
FMG
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This video explains how the Kruskal-Wallis test works and what it is used for. This test is the non-parametric counterpart to the one-way analysis of variance.
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English - en Department
FMG
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This video teaches you how to use the Wilcoxon/Mann-Whitney test for two samples.
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English - en Department
FMG
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This video explains how the Wilcoxon signed rank test works. You use this test when you want to compare a sample average to a theoretical value, but you can't use parametric tests because its…
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English - en Department
FMG
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This video explains how a sign test works and where it can be applied. The sign test offers a non-parametric alternative to a one-sample t-test and is one of the simplest non-parametric tests.
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English - en Department
FMG
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In this video we see how to follow up a significant f-test in one-way analysis of variance with pairwise comparisons of group means, using pairwise t-tests or confidence intervals. Pairwise…
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English - en Department
FMG
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In this video you learn how to perform a statistical test to see whether the predictor and the response variable are likely to be related in the population. You also learn how to calculate the…
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English - en Department
FMG
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When expected frequencies in a contingency table are small, you can not use a Chi-squared test. However, you can use a test that is designed for small samples: Fisher's exact test. This video…
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English - en Department
FMG
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