3.2 Data
Collection of data place in two stages. The first one was performed to pretest the instrument. One-hundred twenty- five questionnaires were hand-delivered to manager of various wholesalers in Hyogo and Osaka prefectures in Japan. Hyogo After a week, project managers were able to collect one hundred four completed questionnaires, Data were analyzed and reliabilities of coefficient alphas of .70 or greater were attained. In evaluating these values, Peterson (1994) examined 832 studies and found that 75% of the spotted alphas were .70 or above and only 14% of them achieved .90 or above. He warned that very high (.90 or above) coefficient alphas could indicate a high level of item redundancy, not item reliability. According to Peterson's (1994) findings, we conclude that our coefficient alphas were adequate and in line with most other studies.