Criteria for appreciating the value of interviews in the field of industrial research (German)


The following considerations aim at determining the criteria decisive for appreciating the value of each interview and as such for the whole study. With this in mind a study among 100 companies which may be considered as potential buyers of a special kind of machine has shown to what extent the quota of refusals differs with various categories of questions response themes. The second step was an analysis under the aspect of in how far the average quota of refusals depends on the operating characteristics of the investigated plant and on the personal characteristics of the interviewed expert.

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