Allen, N. J. / 1990 / The measurement and antecedents of affective, continuance and normative commitment to the organization / Journal of Occupational Psychology 63 : 1 ~ 18 Diener, E. / 1984 / Assessing Subjective well-bing : Progress and opportunities / Social Indicators Research 31 : 103 ~ 157 Hills, P. / 2002 / The Oxford Happiness Questionnare : A compact scale for the measurement of psychological well-being / Personality and Individual Difference 33 : 1073 ~ 10 Jorde-Bloom, P. / 1989 / Factors influencing over all job satisfaction and organizational commitment in early childhood work environments / Journal of Research in Childhood Judge, T. A. / 2001 / Relationship of core self-evaluations traits-self-esteem, generalized self-efficacy, locus of contral, and emotional stability-with job satisfaction an