Herdi Herdi, Sunaryo Kartadinata, Agus Taufiq
Wisdom is a fundamental personality characteristic and is indicative of a multicultural counselor's competence. Therefore, an instrument that accurately measures the wisdom of a multicultural counselor is necessary. This purpose of study was to develop a valid and reliable measurement tool to determine the wisdom of multicultural counselor candidates. This study employed design-based research and instrument development procedure. The participants consisted of 517 counselor candidates who were students in the sixth semester of eleven Guidance and Counseling Departments in Indonesian higher education institutions. The data were collected by using an initial questionnaire called New Wisdom Scale for Multicultural Counselors in the form of Likert five-level scale. Operationally, the data analysis was performed by using Rasch Model version 3.75. The results demonstrated that the instrument had satisfying psychometric properties, (i.e. item measure, item fit order, DIF, person measure, person fit order, item-person maps, rating scale, test reliability, person reliability and item reliability). However, the factor structure is still needed to be improved. Further studies are needed to examine the psychometric properties of instruments in various participants. © 2019 Primrose Hall Publishing Group.
Universitas Negeri Jakarta, Jakarta, 13220, Indonesia; Universitas Pendidikan Indonesia, Bandung, West Java, 40154, Indonesia
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