[En] In the assessment of the market it is crucial to identify the preferences of consumers. The Conjoint Analysis is one of the possible technique to be used. The aim of this work is to observe certain properties of the estimates obtainable by the models of the Conjoint Analysis through the...

Taguchi (1959) introduced the concept of split-unit design to sort the factors into different groups depending upon the difficulties involved in changing the levels of factors. Li et al. (1991) renamed it as split-plot design. Chen et al. (1993) have given a catalogue of small designs for two-...