A framework for measuring psychological sense of community for community or
ganizations was presented, and an instrument to measure community organizat
ion sense of community was developed. The framework consisted of four compo
nents: Relationship to the Organization, Organization as Mediator, Influenc
e of the Community Organization, and Bond to the Community. Two studies exa
mined the dimensionality, reliability, and validity of the instrument. Stud
y 1 (n = 218) was conducted with participants from three community organiza
tions, and it identified four factors, matching the framework, with alpha c
oefficients from .61 to .85. Study 2 (n = 1,676) was conducted with partici
pants from five community organizations. Study 2 participants were 48% Afri
can American, 42% White, 6% Latino/Hispanic, and 3% Other. Also for the Stu
dy 2 sample, 69% were female; 31% were male. Study 2 confirmed three factor
s for the Community Organization Sense of Community scale (COSOC): Relation
ship to the Organization, Organization as Mediator, Bond to the Community;
alpha coefficients ranged from .82 to .87. In three subsamples of Study 2,
convergent validity of the instrument was explored by correlating total COS
OC scores nad subscales scores with tow other measures of sense of communit
y, political participation, community involvement, community organization i
nvolvement, and perceived safety. The patterns of correlation among the var
iables indicated, with one exception: strong support for validity of the in
strument. Findings are discussed in terms of implications for development o
f sense of community in community organizations, and community participatio
n. (C) 1999 John Wiley & Sons, Inc.