Code Review Leveson Trade Assessment Scale

A trade assessment scale based on Nancy Leveson's Software Assessment Scale developed for evaluating software used in airborne vehicles.

Contemporary trade assessments based on 5-star systems do not provide data that motivates producer improvement. Developed in the United States, apparently by Forbes Travel Guide, formerly Mobil Travel Guide, in 1958. This system was used to advertise hotel quality along popular travel routes as part of a larger campaign to encourage cross-country driving trips using the new US interstate highway system and was never meant to be a two-way communication system. As a result, ratings hold little to no value in e-commerce where they are most commonly applied. In many cases, PR managers place minimal effort toward rationalizing with customers and represent a barrier to companies changing internal policies to improve customer experience.

The Leveson System was developed in the high-stakes arena of aircraft software development where if a system fails,…