2.8 Internal validity threats - research setup | Quantitative methods | The Scientific Method | UvA

[@kenedogawa3080]

I watched all the Modules for statistic and let me say thank you so much for the clear and easy to grasp explanation! Your work is amazing!

[@yannieso4889]

This channel is a goldmine. Thank you from the bottom of my heart. Cheers!

[@KlearChristal]

Amazing setup and clear explanation. Thank you!