[Phys-L] Re: student difficulties with velocity as a vector?

[jlu at HEP.ANL.GOV (Jack Uretsky)]

        Hypotheses don't lead to firm conclusions.
                                                Regards,
                                                        Jack


On Sat, 29 Oct 2005, John Clement wrote:

> If the attention is the important factor, then one would hypothesize that a
> superb lecturer would get more attention than one who can barely speak
> English.  The experiment by Hestenes showed that there was no difference.
>
> One of the easy ways to confirm this is to interview students with probing
> questions, and it immediately becomes obvious that they have a different
> reference frame which precludes understanding what you are saying.  Both
> clinical method interviews and experimental evidence line up.
>
> Now there are certainly some students who are not paying attention, but
> there are many who are actually trying.  I think that all of the researchers
> who have actually done experiments or interviews will agree on this point.
>
> John M. Clement
> Houston, TX
>
> > Hi all-
> >
> > On Sat, 29 Oct 2005, John Clement wrote:
> >
> > > No, it is not that they are not paying attention, it is that they do not
> > > understand what you are saying.
> >
> >         My mind is boggled at trying to imagine the evidence that would
> > support such a conclusion.
> >                                         Regards,
> >                                                 Jack
> >
> > --

--
"Trust me.  I have a lot of experience at this."
                General Custer's unremembered message to his men,
                just before leading them into the Little Big Horn Valley