2-way best-worst scaling

The application of BWS to conceptual profiling and the associated data analysis procedures are described in detail by Thomson et al. (2010) and by Thomson and Crocker (2014). Subsequent to this, we have developed a variant of BWS where the best-worst exercise described above is augmented by a calibration best-worst exercise in which the roles of the conceptual terms and objects are reversed. Referred to as 2-way best-worst scaling, this procedure represents a major methodological advancement because it overcomes the problem of relativism in BWS, thereby faciUtating... 

Closed system tests, using an unvented test cell (see Figure A2.5) or Dewar flask, can be used for vapour pressure systems. The runaway is initiated in the way that best simulates the worst case relief scenario at plant-scale. The closed system pressure and temperature are measured as a function of time. Most commercial calorimeters include a data analysis package which will present the data in terms of rate of temperature rise, dT/dt, versus reciprocal temperature (-1 / ), and pressure versus reciprocal temperature (see Figure A2.10). However, it is important to correct the temperature data for the effects of thermal inertia. See 2.7.2. 

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