<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Researcher hits a glass beaker with a metal pin, then asks what the 10 year old thinks about it:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Kid - I think it's sound waves.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">R - what do you mean by that?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Kid - I'm not sure.  They come from your ear.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">R - How to you think sound travels from the beaker to your ear?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Kid - Your ear sends out sound waves and when the sound hits the waves it comes back to your ear.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">This is called extramissionist belief.  This is fairly rare among adults, but what is common among children and adults is an extramissionist belief about light:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">When given a pencil and paper and asked to draw lines depicting light, Ss draw lines from the eye to some object.  This explanation of seeing was believed by Plato, Ptolemy and Leonardo, among others.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">When asked what happens when viewing a light bulb, the Ss said that light came from the bulb to the eye, but denied that anything comes to our eye when viewing a nonluminescent object.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">To quote the author:  "We don't see light as critical to vision."</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">I don't remember thinking anything like this.  Do you?  I never heard of such a thing.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Much more to come about intuitive theories of the natural world.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">bill w</div></div>