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The role of distinctiveness in assessing vocational personality types.

机译：独特性在评估职业人格类型中的作用。

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The purpose of this study was to examine the distinctiveness of interest inventory scores. The researcher studied the difference between scores on the Self-Directed Search (SDS) in an effort to determine when a difference between two scores represents a significant and meaningful difference. Researchers commonly use the standard error of measurement (SEM) to determine confidence intervals for individuals' true scores. The SEM for the SDS equals eight points, which means two scores must be separated by at least eight points to be considered distinct. Over time the SEM has become known as the "rule of eight", and practitioners use it as a guideline for interpreting SDS results. However, researchers determined the SEM from a statistical formula, and no study has empirically examined this guideline. This study examined the distinctiveness of interest inventory scores by calculating the difference between individuals' highest two SDS scores, while comparing congruence between two concurrent measures of vocational interest, both taken from the SDS.;SDS data was collected for 2397, (1497 female and 900 male), undergraduate students enrolled in the exploratory major at a large Midwestern university between 1996 and 2002. Primary-code distinction represented the absolute difference between the top two SDS scores. Expressed vocational interest and inventoried interest were compared to determine whether or not a congruent match existed between the two. Congruence results were grouped by level of primary-code distinction in an effort to determine when distinction scores represent a meaningful difference.;Descriptive statistics suggest a positive relationship exists between primary-code distinction and congruence. Furthermore, distinction scores of four points appear to distinguish between individuals top' two SDS scores. Logistic regression confirmed the existence of a significant positive relationship between primary-code distinction and congruence, such that a one-point increase in primary-code distinction increases the likelihood of finding congruence between expressed and inventoried interests by 8%. Using these results, the researcher concluded that the "rule of eight" should be replaced with the "guideline of four", and that test manuals and interpretative routines for practitioners be updated to reflect this distinction.
机译：这项研究的目的是检查兴趣清单分数的区别。研究人员研究了自我导向搜索（SDS）上分数之间的差异，以便确定两个分数之间的差异何时表示明显且有意义的差异。研究人员通常使用标准测量误差（SEM）来确定个人真实分数的置信区间。 SDS的SEM等于8分，这意味着两个分数必须至少相隔8个点才能被区分。随着时间的推移，SEM已被称为“八个规则”，从业人员将其用作解释SDS结果的指南。但是，研究人员是根据统计公式确定SEM的，尚无任何研究从经验上检验此准则。这项研究通过计算个人最高的两个SDS得分之间的差异，同时比较了两个同时从SDS得出的职业兴趣量度之间的一致性，检验了兴趣库存量得分的独特性.SDS数据来自于2397名（1497名女性和1996年至2002年之间，有900名男性），本科生就读于中西部一所大型大学的探索性专业。主要代码区别代表了前两个SDS得分之间的绝对差异。比较表达的职业兴趣和清单兴趣，以确定两者之间是否存在匹配的匹配项。一致性结果按主要代码区分级别进行分组，以便确定区分分数何时表示有意义的差异。描述性统计表明，主要代码区分与一致性之间存在正相关关系。此外，四个点的区分分数似乎可以区分个人的前两个SDS分数。 Logistic回归证实了主要代码区别和一致性之间存在显着的正相关关系，因此，主要代码区别的单点增加将发现表达的利益和存货权益之间的一致性的可能性提高了8％。利用这些结果，研究人员得出结论，应将“八分法则”替换为“四分法则”，并更新从业人员的测试手册和解释性例程以反映这种区别。

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