The FUNCTIONAL METHOD of tests construction is a new technique, without precedent so far in the field of psychometry. The founder of the method FRANCIS GENDRE
has been developing his concept for some thirty years. Since powerful enough computers made it possible, we have elaborated 6 functional tests, which present the following main advantages :
- Fully computerized passing, counting and standardization;
- Analysis of the passing conditions and biais, for instance :
- Reliable detection of any instruction being misunderstood (possible inversion of the answering scale),
- eventual lack of cooperation from the individual (random answers),
- unrelevance of the test (because of the culture, the language, etc.),
- lack of concentration during the answering phase, casual behaviour, etc.
- overstating positive qualities (selection biais, "social desirability")
- tendancy to systematically overestimate or underestimate the presented items.
- Comparison possible between inter-subjects evaluations (standardization among the populations of reference), or intra-subjects (without comparison with anyboby in particular).
- No a priori split standardization between male-female (unaccountable for socially), but distinct scales on demand.
The functional method of tests construction varies from the traditional method in the following points :
- All items are part of the value calculation according to the different scales ;
- The whole set of answers is analyzed and synthesized in the form of a model : the strategy of individual answering ;
- The strategy of individual answering allows the evaluation of any scale, already defined or newly conceived ;
- The evaluations are more reliable than those of the scales being constructed according to the traditional method ;
- An analysis of the answers to each intra-scale item is possible (over- or underestimated items compared to the modelized answers strategy) ;
The functional tests are still not very well known, but you can find some information on the topic, in form of articles in the menu Texts