RUFF  work

 SELECTION /  BACKGROUND     
overview of positive [desirable] elements 
to look for in a strong Working Dog

While these articles come from various disciplines,
[Schutzhund, Law Enforcement, SAR and others]
and some have shameless breed biases, 
they are valuable in terms of items to consider 
when evaluating a candidate for your program.  
Testing & Selection is about giving yourself the best chance for success.

TESTING DOGS a Perspective on Selection

Working   Dog Temperament 
need   to wade through jingoistic trieste on gsd's but worthwhile

Components of Temperament 
geared to Schutzhund work but basic info good

Picking a Puppy for a Working Program

Selecting a Working Dog Puppy

Selecting a Dog for Search & Rescue

How to Choose a Puppy for SAR

Selecting a Puppy 
for Obedience Trailing and Other Sports

Some DISCLAIMERS re Puppy Aptitude Testing