Grou
p^
Gende
r
Perf.
Com
ments
2A^
MM
FF
LLMH
Imbal
ance. N
o pl
an; i
ncorrect
free-
body
diag
ram
; at l
east
3 m
iscon
cept
ions
. D
idn'
t so
lve f
or t
he proper t
arget
vari
able
.
2 B^
MM
F
LMH
All part
icip
ate. U
ndef
ined coordi
nate
sys
tem
. Pl
an i
mproperl
y tran
slat
es f
ree-
body
diag
ram
s.
2D^
MM
F
LMH
Talk
ativ
e. Un
clear s
olution
, no
execu
tion
. KE an
d L
S w
ere
the orig
inal g
roup an
d SU j
oined th
em as
a si
ngle. Did n
ot
attem
pt to
solv
e fo
r pr
ope
r targ
et v
ariab
le.
3A^
MFF
LMH
Preci
se. A
t leas
t 1 m
iscon
cept
ion.
Good u
se of
probl
em s
olvi
ng s
trate
gy.
3 B^
MM
MF
LLLM
Dig
ressio
n. A
12 lin
e di
gressio
n ab
out th
eir last ex
am w
as o
mitted
fro
m th
e an
alys
is. A
ttem
pted
to m
ode
l their so
lutio
n^
afte
r wh
at prof
esso
r di
d in
clas
s.^
4A^
MFF
MMH
Del
iber
ate.
Gr
oup
freq
uent
ly use
s Sk,
Ck,
Sm
. E
piso
des a
re e
vide
nt a
nd o
ften e
nd w
ith Sm
or Ck.
Al
though M
K is
the
most invo
lved
, each stud
ent ad
ds im
portant id
eas.
Th
oughts ar
e co
nnected
. A
ny tw
o-w
ay ep
isod
es tend
to b
e ver
y sho
rt.^
Clai
ms are u
sual
ly s
upport
ed by
grou
nds
and w
arran
ts. T
hey
caref
ully
foll
ow t
he PS
Strat
egy
. Probabl
y th
e "b
est"
grou
p
obs
erve
d.
4 B^
MM
F
LMH
Equ
als. Id
eas are lef
t in iso
latio
n. Few
Sm
, Ck
, Sk
. So
me ch
allen
ges lef
t "U
nan
swe
red.
" T
heir w
ritten
solu
tion
grad
e
was
low
due t
o an
incorrect
free-
body
diag
ram
.^
4 C^
MM
F
LMM
Dys
func
tion
. Lo
ng di
scus
sion
reg
ardi
ng procedu
ral m
atte
rs. Probabl
y th
e "w
orst
" gr
oup obs
erve
d.
4D^
MM
F
LLH
Lack
ability
. No
Sk, Ck
, Sm
. Freq
uen
t us
e of
En w
hen
stu
ck o
n co
nten
t or
pro
ced
ure. Man
y in
terv
entio
ns b
y TA
wh
en^
they
are g
oing
astray
. On
e stu
den
t ha
d m
isse
d clas
s th
e day
bef
ore th
is se
ssion
and of
ten th
ey s
eem
to lack
phy
sics
kno
wle
dge
.^
5A^
MM
F
LMH
Confuse
d. A
W (
Rec
ord
er) ha
d no
t take
n th
e pr
e-re
quis
ite c
ours
e. T
hey
eas
ily con
fuse en
ergy
and v
elocity
; orbital an
d
escap
e ve
locities.
5 B^
MFF
LMM
Verb
ose g
roup
. A
hig
h nu
mbe
r of
Cl statem
ents. P
ersisten
t mi
sco
ncep
tion
abo
ut o
rbital v
elocity
.
5 C^
MM
F
LMM
Clarif
y statem
ents. DC w
as a silen
t pa
rtne
r, of
ten w
ork
ing o
n hi
s ow
n an
d ga
ve little in
put to
the g
rou
p (T
his seem
ed^
very
con
sisten
t with
his
pers
onality
). Hig
h proportion
of C
l^ statem
ents
. Som
e "e
quation
search
ing.
" C
onfu
se th
e Ph
ys.
Des
cr. an
d Pl
an.
6 B^
MFF
MM
M^
Wo
rk &
Co
mpare. Mem
bers
of th
is g
roup f
requ
ently
wo
rked on
their ow
n, com
parin
g res
ults
. Som
e "n
umber
crunc
hing"
and
a fe
w m
isco
nce
ptio
ns. K
F vi
sibl
y tir
ed.^
7 A^
MM
FF
LLLM
Slow
start. T
his g
roup
too
k ab
out 9
0 lin
es to
get to
the p
hysics o
f the p
rob
lem
. T
hey
spen
d a lo
t of
tim
e di
scu
ssin
g th
e
“sur
face f
eatu
res” s
uch
as th
e nu
merical data.
Table 2-9. Sum
ma
ry of
the F
ourteen G
roups.