Designing asynchronous online discussion environments: Recent progress and possible future directions

A
ppendix.
F
our
major
types
of
discussion
en
vironments
En
vir
onment
types
Constr
ained
en
vir
onments
V
isualized
en
vir
onments
Anc
hor
ed
en
vir
onments
Combined
en
vir
onments
A
uthor
s
Nussbaum
et
al
.
(2004)
Oh
and
Jonassen
(2007)
Hoadle
y
and
Linn
(2000)
Jeong
and
Joung
(2007)
Suther
s
et
al
.
(2008);
Cho
and
Jonassen
(2002)
Ka
o
et
al
(2008)
Br
ush
et
al
(2002);
Mar
shall
and
Br
ush
(2004)
Nok
elainen
et
al
(2005)
W
ei
and
Chen
(2006)
Guz
dial
and
Tu
rn
s
(2000)
Scardamalia
and
Bereiter
(1994,
2003)
En
vironment
names
—
—
SpeakEasy
—
Belv
edere
Be
y
ondShare
W
ebAnn
EDUCOSM
e-book
CaMILE
Kno
wledg
e
Fo
ru
m
F
ea
tures
R
equires
the
use
of
note
star
ter
s
R
equires
the
use
of
post
type
la
bels
and
note
star
ter
s
R
equires
the
use
of
post
type
la
bels
R
equires
the
use
of
post
type
la
bels
V
isuall
y
represents
argumenta
tion
objects
and
their
rela
tions
Allo
ws
for
colla
bor
a
ti
v
e
constr
uction
and
peer
ev
alua
tion
of
concept
ma
ps
Allo
ws
for
anchored
discussion
on
lear
ning
ma
terials
Allo
ws
for
anchored
discussion
on
lear
ning
ma
terials
and
extended
discussion
in
a
threaded
for
um
Allo
ws
for
ubiquitous
access
of
anchored
discussion
on
lear
ning
ma
terials
and
extended
discussion
in
a
threaded
for
um
R
equires
the
use
of
post
type
la
bels
and
allo
ws
for
anchored
discussion
Allo
ws
for
anchored
discussion,
visual
representa
tion
of
discussion
and
the
use
of
note
star
ter
s
Educa
tional
g
oals
Colla
bor
a
ti
v
e
argumenta
tion
Colla
bor
a
ti
v
e
argumenta
tion
Kno
wledg
e
building
and
integ
ra
tion
Colla
bor
a
ti
v
e
argumenta
tion
Colla
bor
a
ti
v
e
argumenta
tion
and
problem
solving
Colla
bor
a
ti
v
e
kno
wledg
e
sharing
and
integ
ra
tion
F
ocused
and
conte
xtualiz
ed
discussion
Lear
ner
-centered
colla
bor
a
ti
v
e
lear
ning
Conte
xtualiz
ed
kno
wledg
e
sharing
Sustained
on-topic
discussion
Colla
bor
a
ti
v
e
kno
wledg
e
building
Designing asynchronous discussion environments
483
© 2012 The Authors. British Journal of Educational Technology © 2012 BERA.

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