Meaning and Threats on internal Validity
Good research designs lead to a high internal validity. A study is internally valid when you really can assume the independent variable effects the dependent variable. Often you cannot.

All slides to the entire series can be downloaded for free here: https://armintrost.de/en/professor/digital/social-research-methods/

#12 Sampling

This podcast covers all relevant aspects around research methods in social science. After a short introduction all steps will be considered from defining the hypothesis and research question to academic writing.

All slides of the entire series can be downloaded here: https://armintrost.de/en/professor/digital/social-research-methods/