decision matrix

1. Decision Matrix

Ideas
Availability of
materials
Ease of Use Able to be
constructed
easily
Hypothesized
effectiveness
Percent of
Recycled
materials
used Totals

4 3 4 3 3 17

4 3 4 4 3 18

5 2 5 3 4 19

1 2 3 4 5
Availability of
materials
All items seldom
get throw away
25% of the
items are
frequently
thrown away.
Half of the items
are frequently
thrown away.
75% of the
items are
frequently
thrown away
All items are used
and thrown away
very often, easy to
find.
Ease of use. Needs to be
refilled or fixed at
least every day
Needs to be
fixed or
refilled every
2 days.
Needs to be fixed
or refilled every 3
days
Needs to be
fixed or
refilled every
4 days
Simplistic design.
Need to refill or
fix it less than
every 5 days.
Able to be
constructed easily
75+% is done out
of class time, lots
of help needed.
60% is done
out of class
Half of it is able to
be done in class,
some help needed.
Can be done
mostly in
class, minimal
help needed
All in class, no
outside time and
no help needed.
Hypothesized
effectiveness
Proven through
calculations not
likely to work
Apparent
flaws in the
design
According to
calculations it is
likely to work
Almost
guaranteed to
work
No flaws found in
design
Percent of
Recycled
materials used
<50% recycled50-65%
recycled
66-82% recycled83-99%
recycled
100% recycled