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KMID : 0389420090170020143
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Korean Journal of Stress Research
2009 Volume.17 No. 2 p.143 ~ p.153
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Development of a Scale for Measuring Effectiveness of Forest Experience
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Cha Jing-Gyung
Cho Hyun-Sup
Kim Sung-Jae
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Abstract
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The purpose of this study was to develop an Scale for Measuring Effectiveness of Forest Experience (SMEFE), which is psychometrically reliable and valid to administer. In order to develop an Scale, the preliminary SMEFE was developed through focus group discussion with participants, and verified them with 162 adults. The quality of correlation matrix in factor analysis was assessed by the results of Kaiser-Meyer-Olkin (KMO) and Bartlett’s Test of Sphericity, construct validity was tested using principal component analysis (PCA) on Varimax rotation, and reliability was measured with Crombach’s alpha. Based on the results of factor analysis, items with correlation coefficient of over .40 were selected, and finally 25 items were included in the final SMEFE. From the results of factor analysis of the 25 items were extracted 3 factors and the 3 factors (Emotional Competency Dimension, Spirituality Dimension, Prospect of Life Dimension) explained 64.53% of the total variance. Cronbach`s α of the developed 25 items was as high as .91. By factor analysis of three categories, Cronbach’s α was .89, .90, and .87 showing high reliability for each sub-category. This newly developed scale was verified reliability and validity for measuring effectiveness of forest experience. This Scale is predict with applicable in a filed related to alcoholics.
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KEYWORD
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Forest, Focus groups, Effectiveness, Measurement
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