Grou
p^
Gende
r
Perf.
Com
ments
2A^MMFFLLMHImbalance. No plan; incorrectfree-bodydiagram; at least3 misconceptions. D
idn'
t so
lve for t
he proper targetvariable.2 B^MMFLMHAll participate. Undefined coordinatesystem. Pl
an improperly translat
es f
ree-bodydiagrams.2D^MMFLMHTalkative. Unclear solution, noexecution. KE an
d L
S werethe original group and SU joined them asa single. Did notattempt tosolve for pr
ope
r target v
ariable.3A^MFFLMHPrecise. At least 1 misconception.Good use ofproblem solving strategy.3 B^MMMFLLLMDigression. A12 line digression about their last exam was omittedfro
m the analysis. Attemptedto model their solution^after what professor di
d inclass.^4A^MFFMMHDel
iberate.
Groupfrequently uses Sk,Ck,Sm. E
piso
des are evident a
nd often end with Smor Ck.Although MK isthemost involved, each student adds important ideas.Thoughts are connected. A
ny tw
o-way episodes tendto be very short.^Claims are usually s
upported bygrounds
and warrants. They
carefullyfollow the PSStrategy. Probabl
y the "best"groupobs
erved.4 B^MMFLMHEquals. Ideas are left in isolation. FewSm, Ck, Sk. So
me challenges left "Unanswered." Their writtensolutiongradewaslowdue to anincorrectfree-bodydiagram.^
4 C^MMFLMMDysfunction. Lo
ng discussionregarding procedural matte
rs. Probably the "worst" group observed.4D^MMFLLHLackability. No
Sk, Ck, Sm. Freq
uen
t us
e ofEn when
stu
ck on content or
proced
ure. Many interventions by TAwhen^theyare goingastray. On
e student ha
d missed class th
e daybefore this sessionand often they seemto lackphysicsknowle
dge.^
5A^MMFLMHConfused. AW (Record
er) had not taken the pre-requisite course. They
easily confuse energyand velocity; orbital andescape velocities.5 B^MFFLMMVerbose group. A
high number of
Cl statements. Persistent misco
nceptionabout orbital velocity.5 C^MMFLMMClarify statements. DC was a silent partner, often work
ing on his own and gave little input tothe grou
p (This seemed^veryconsistent withhis
personality). High proportionof Cl^ statements. Som
e "equationsearching." Confuse the Phys.Descr. and Plan.6 B^MFFMMM^Wo
rk &Co
mpare. Membersof this g
roup frequentlywo
rked ontheir own, comparing results. Som
e "numbercrunching"anda few misconce
ptions. KF visibl
y tired.^7 A^MMFFLLLMSlowstart. This grouptook about 90 lines toget tothe physics of the prob
lem. T
hey
spen
d a lot of
time di
scu
ssing the“surface features” such
as the numerical data.
Table 2-9. Summary ofthe Fourteen Groups.