Relationships between MMPI subscale scores and premature resignations among Southern Baptist foreign missionaries appointed in 1964 were investigated in an effort to develop a predictive model for attrition. Unsuccessful attempts were made at cross-validating the results of a previous related study, and two separate discriminant function analyses were undertaken. The first sorted subjects into three groups, defined by subjects' length of service before resignation. The second classified them according to the reason stated for their termination, if applicable. Both procedures failed to establish a statistically reliable classification system for relating MMPI scores with premature resignations. Although consistent success has been achieved with the MMPI as a screening instrument for psychopathology, it is suggested that the instrument is not adequately sensitive as a screening device for groups lying predominantly within the normal range of variability.

The problem of this study was the assessment of the value of the Tennessee Self Concept Scale, the DF Opinion Survey, and An Inventory of Factors STDCR for use in identifying personality factors significant to overseas adjustment. The following conclusions were drawn: 1. The TSCS and the DFOS lacked validity as predictors of personal adjustment as measured by the MPAS. 2. Freedom from depression tendencies (Factor D) and freedom from fluctuating emotions (Factor C) of the STDCR were significantly related to overseas adjustment. 3. The best combination of factor scores for predicting personal adjustment included D (Depression), CC (Cultural Conformity), and S (Social Introversion-Extraversion). 4. The Candidate Graduate Training Program was not effective in producing change in the psychological factors tested.