<a href="https://www.youtube.com/embed/vaLZcZHA5q0?rel=0&modestbranding=1&wmode=opaque&autohide=1">Embedded video for Correlation and Causation</a>Correlation and Causation ©2009 The Psych Files, episode #109 https://www.causeweb.org/cwis/index.php?P=FullRecord&ID=2139
