<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">Yeah, I knew you would know all about it, but I am interested in what the hard science people think and what their term(s) are. They have to control for variables, so they must have some kind of vocabulary for it.</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">bill w</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 20, 2016 at 7:01 PM, Henry Rivera <span dir="ltr"><<a href="mailto:hrivera@alumni.virginia.edu" target="_blank">hrivera@alumni.virginia.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>So it's this:<br>In statistics, a <b>confounding variable</b> (also <b>confounding factor</b>, a <b>confound</b>, a <b>lurking variable</b> or a <b>confounder</b>) is an <a href="https://en.wikipedia.org/wiki/Extraneous_variable" title="Extraneous variable" target="_blank">extraneous variable</a> in a <a href="https://en.wikipedia.org/wiki/Statistical_model" title="Statistical model" target="_blank">statistical model</a> that <a href="https://en.wikipedia.org/wiki/Correlate" title="Correlate" target="_blank">correlates</a> (directly or inversely) with both the <a href="https://en.wikipedia.org/wiki/Dependent_variable" title="Dependent variable" target="_blank">dependent variable</a> and the <a href="https://en.wikipedia.org/wiki/Independent_variable" title="Independent variable" target="_blank">independent variable</a>, in a way that "explains away" some or all of the correlation between these two variables.<br>-<a href="https://en.wikipedia.org/wiki/Confounding" target="_blank">https://en.wikipedia.org/<wbr>wiki/Confounding</a><br><br></div>I've only heard about it in the context of experiments and statistics. While Spike is a Renaissance man, he still may not have been exposed to Research Design instruction like us psychologists.<br></div>-Henry<br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Sep 20, 2016 at 7:19 PM, William Flynn Wallace <span dir="ltr"><<a href="mailto:foozler83@gmail.com" target="_blank">foozler83@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">If you are familiar with this term you may stop reading now.</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">Spike and I went back and forth a few times, and it turns out that he has not heard of it. Certainly he knows the idea:</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">Add two variables to a situation and no matter what happens you can't tell the effect of one from the other.</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">Psych uses confounding to describe this, but I'd like to find out who else does, or if they don't, do they have a word for the idea.</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small;color:#000000">bill w</div></div>
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