Peter,

Thanks very much for the advice. It looks like you're exactly right and the
above-cited document may not be exactly right. Instead
this<http://pic.dhe.ibm.com/infocenter/spssstat/v20r0m0/index.jsp?topic=%2Fcom.ibm.spss.statistics.help%2Fcovariance_structures.htm>
 (
http://pic.dhe.ibm.com/infocenter/spssstat/v20r0m0/index.jsp?topic=%2Fcom.ibm.spss.statistics.help%2Fcovariance_structures.htm)
appears to be the better reference. I really appreciate your time, insight
and help.

Robert

	[[alternative HTML version deleted]]


