97Table 6.2 Validated surgical technical skills assessment instruments
(a) Objective Structured Assessment of Technical Skills (OSATS) [ 22 ]
Respect for
tissue1
Frequently used
unnecessary force on
tissue or caused
damage by
inappropriate use of
instruments2 3
Careful handling of
tissue but
occasionally caused
inadvertent damage4 5
Consistently handled
tissue appropriately
with minimal damageTime and
motion1
Many unnecessary
moves2 3
Efficient time/motion
but some
unnecessary moves4 5
Economy of
movement and
maximum efficiency
Instrument
handling1
Repeatedly makes
tentative or awkward
moves with
instruments2 3
Competent use of
instruments although
occasionally
appeared stiff or
awkward4 5
Fluid moves with
instruments and no
awkwardnessKnowledge
of
instruments1
Frequently asked for
the wrong instrument
or used an
inappropriate
instrument2 3
Knew the names of
most instruments and
used appropriate
instrument for the
task4 5
Obviously familiar
with the instruments
required and their
namesUse of
assistants1
Consistently placed
assistants poorly or
failed to use
assistants2 3
Good use of
assistants most of the
time4 5
Strategically used
assistant to the best
advantage at all timesFlow of
operation
and forward
planning1
Frequently stopped
operating or needed
to discuss next move2 3
Demonstrated ability
for forward planning
with steady
progression of
operative procedure4 5
Obviously planned
course of operation
with effortless flow
from one move to the
next
Knowledge
of specific
procedure1
Deficient knowledge.
Needed specific
instruction at most
operative stages2 3
Knew all important
aspects of the
operation4 5
Demonstrated
familiarity with all
aspects of the
operation
Overall on this task, should this candidate: ▫ Pass ▫ Fail(b) Global Operative Assessment of Laparoscopic Skills (GOALS) [ 23 ]
Depth
perception1
Constantly
overshoots target,
wide swings, slow to
correct2 3
Some overshooting
or missing of target,
but quick to correct4 5
Accurately directs
instruments in correct
plane to target(continued)6 Crowdsourcing and Large-Scale Evaluation