Rules To Problem Solving

Dec 7 22:00 2001 Richard Lowe Print This Article

I've been working in the world of ... for 23 years, and I've learned alot about problems during that time. I've found a few rules which, ... make it easier to find, ... correct a

I've been working in the world of computers for 23 years,Guest Posting and I've learned a
lot about problems during that time. I've found a few rules which, if
followed, make it easier to find, understand, correct and verify problems.

Rule #1: Don't assume you understand the problem. This is one of the classic
mistakes of problem solving - you think you understand what's going on, but
you didn't look deep enough or get enough information to really get it.
Before starting to solve any problem, be sure you spend some time and be
absolutely sure you understand exactly what's going in.

Rule #2: Don't assume that the person who reported the problem understands
the problem either. In the computer field, I've found that users will report
problems in many different, often bizarre ways. Sometimes they will describe
it in such a manner that it appears to make sense, but actually what they
are describing has no relation to the problem at all. Remember, most people
do not understand computers and the related technology at all, so they tend
to piece together descriptions based upon what they have heard, what they
think they know and what people have told them.

Rule #3: Duplicate the problem. Always, always, always duplicate any problem
before you start working on finding a solution. Why? See Rule #4. In
addition, if you can make a problem occur again, there is a much better
change that you really do understand what's going on (rule #1).

Rule #4: You cannot know you have solved a problem unless you followed Rule
#3. The only way to be sure that a problem is solved is to fix it, then
exactly replicate what happened. The sequence is simple: duplicate the
problem, fix the problem, then try and duplicate it again. If you've exactly
replicated the issue, then you can be reasonably sure you've fixed it.

Rule #5: Don't assume someone else understands the problem. If you need to
delegate the problem to another person, or if you are receiving instructions
from another person to solve the problem yourself, do not ever assume they
understand what they are talking about. Always follow Rule #3 to be sure YOU
understand the problem. Do not take anyone else's word for it. If you
delegate the problem, make sure the person you give it to follows Rule #3.

Rule #6: Don't assume you have just one problem. Sometimes things are more
complicated than they seem. It's never a good idea to assume that there is
just one problem to be solved. Throughout the entire problem solving
process, keep your eyes open and find any additional problems that you may

Rule #7: Don't assume there is more than one problem. Also, don't make the
assumption there is more than one problem either. How do you follow rules #6
and #7? Just base your conclusions upon what exists, not upon your
assumptions or what others have told you.

Rule #8: Don't assume there is a problem at all. Just because someone
reports a problem does not mean there is actually a real problem. I remember
when I got very upset because my car was making a strange noise. I brought
it to the mechanic and had him spend hours checking my car to fix the noise.
As it turned out, the noise was normal and was not a problem. Hours wasted
when there was no problem at all. If the mechanic had followed Rules #2, #3
and #8, I would have been out of the shop in a few minutes.

Rule #9: Don't assume you don't have a problem either. Again, don't make
assumptions. Base your conclusions upon what exists, not what you assume to

Rule #10: Don't assume the problem is the same as an earlier problem. I
manage a number of computer systems. One of the functions of these systems
is to fax several thousand purchase orders to venders over night. One day
someone reported that they could not see any failures, and it's unheard of
for no faxes to fail. I assumed. mistakenly, that this was a failure in the
report, which had happened before. Thus I put the incorrect priority on the
issue and didn't look at it until the afternoon. When I looked, I discovered
to my horror that ALL faxes had failed (which caused the failure list to
fail also, as it made an assumption that at least ONE fax would work). This
caused incredible grief which could have been avoided had I actually looked
instead of making an assumption.

Rule #11: Don't assume it's a computer error. Not all problems are caused by
machines. You could spend countless hours trying to fix something that was
actually a data entry error or had some other human cause.

Rule #12: Don't assume it's not a computer error. By now you should
thoroughly understand this. Don't make assumptions. Look and form your
conclusions based upon the evidence that exists.

Rule #13: Don't trust the documentation. Use technical documentation as a
resource, but do not assume it is correct. Programmers are notorious for
allowing their documentation to slip into uselessness. That's just the way
the world is, so don't beat your head over it. Read any documents you can
get your hands on, but also look at the code and anything else pertinent.

Rule #14: Don't assume it ever worked. Many years ago, I had the assignment
to convert a plotting package from one computer system to another. It
appeared to be a simple project (I violated Rule #15) so we just moved the
code to the new machine and tried to run it. Several errors occurred
(squares not square and triangles not triangular), and these did not occur
on the original machine. We spent months (literally!) trying to figure out
what we did wrong. As it turned out, we violated rule #14. The code was in
the middle of being modified, and the programmer who was doing the
modifications quit and didn't tell anyone. Thus, the code we were using
never worked, and thus, well, we didn't do anything wrong. Once we had the
proper code (from an old backup) it really was very simple.

Rule #15: Don't assume it's simple or complex. Just remember it is what it
is. Some problems are simple and some are complex. Don't assume either until
you have done your analysis.

Rule #16: Don't assume maliciousness. If you find a human error, don't
assume it was malicious. Generally, human errors are the result of
incompetence - the person did not understand what he or she was doing. Start
with training to correct human errors - you can move to harsher methods
later if training doesn't work.

I hope these rules are of value to you in your problem solving endeavors.

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Richard Lowe
Richard Lowe

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