At 11:17 AM -0600 2/23/00, <[EMAIL PROTECTED]> wrote:
>Remember that random sampling does not guarantee that you will have
>a representative sample.

In the real world, what does?

>What it does is guarantee that any
>differences are not systematic.  If the sample were always
>representative we would not need to replicate our studies.

That's assuming that researchers were not human, with all the human
imperfections and frailities.
There's also such a thing as _systematic_ replication:  making a small
change in one experimental variable to establish generality.

>Joyce Morris
>Public Health Sciences
>Wichita State University


* PAUL K. BRANDON               [EMAIL PROTECTED]  *
* Psychology Dept       Minnesota State University, Mankato *
* 23 Armstrong Hall, Mankato, MN 56001      ph 507-389-6217 *
*    http://www.mankato.msus.edu/dept/psych/welcome.html    *

Reply via email to