Basic statistics theory

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This course is e-learning only. There are no online or face-to-face sessions.

Questions can be asked to janick.mathys@vib.be

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Course Content

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Introduction: why statistics?

Which statistical test do you need to analyze your data? 10 Topics | 11 Quizzes

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Categorical or quantitative?

Categorical or quantitative?

Are the data drawn from a normal distribution?

Normally distributed?

What if the data are not normally distributed?

Do the groups have equal spreads?

Dependent or independent data?

How many factors are represented in the data?

Choosing the right statistical test

Hormone data set

Extended hormone data set

Gender differences in anxiety

Splice variants data

Before and after data

Mouse axon lengths

Hormone with multiple treatments data

Multiple comparisons data

Hormone during physical activity data

How to describe your data? 12 Topics | 11 Quizzes

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Mode to describe the center of the data

Mode to describe the center

Median to describe the center of the data

Median to describe the center

Mean to describe the center of the data

Mean to describe the center

How to analyze ratios?

Variation ratio to describe the spread of the data

Variation ratio to describe the spread

Interquartile range to describe the spread of the data

Describing data

Standard deviation to describe the spread of the data

How to describe your data?

How to describe data?

Interpretation of the mean

Mean of a data set

Standard error of the mean and confidence intervals

Meaning of confidence intervals

Replicates: what is n?

Replicates: what to do when you work with cell cultures?

How to report the outcome of a test? 6 Topics | 2 Quizzes

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How do statistical tests work?

Data used by statistical tests

What to report for a statistical test?

How to interpret p-values?

p-values are not the word of God

How the report the outcome of statistical tests that compare 2 groups?

How to report the outcome of a paired t-test?

How to report the outcome of statistical tests that compare more than 2 groups?

How to visualize data and statistics? 6 Topics | 4 Quizzes

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How to visualize the data?

Interpretation of SDs?

How to visualize statistics?

Interpretation of 95% CIs?

Bar charts are made to compare heights

Colors in graphs

How to visualize the results of the statistical tests?

Graphs of different statistical tests

What if the X-axis is quantitative?

How to choose sample sizes? 2 Topics

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False positives and false negatives

Analyzing and increasing the power of your experiment

Correlations: how to calculate them and what do they mean? 2 Topics | 1 Quiz

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What is correlation?

Interpretation of correlation

For what can you use correlations?

Don’t use Excel for statistics 1 Topic

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Don’t use Excel for statistics

More info? 1 Topic

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Further reading/watching

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