External Validity of Research Methods Video

Overview of external validity in research strategies and threats (non-representative sample study features measurement issues & replication manipulation generalization)
Video Links:
WEIRD Samples: 2010 https://www.apa.org/monitor/2010/05/w... 2020 https://www.psichi.org/blogpost/98736...
Cross-Species Generalization https://www.dailymail.co.uk/sciencete...