The Malcolm horizon (Malcolm, et. al., 1975) utilizes a large projected light stimulus (PVHD) as an attitude indicator in order to achieve a more compelling sense of roll than is obtained with smaller devices. The basic principle is that the larger stimulus is more similar to visibility of a real horizon during roll, and does not require fixation and attention to the degree that smaller display...

Background: In 2022, there was a decrease in the satisfaction rate and BOR UKI General Hospital inpatient unit. Improvements quality of health are needed. The Malcolm Balridge criteria is method measuring services from United States. malcolm balridge has dynamic framework provide as an independent comprehensive assessment.
 Purpose: Seven leadership, strategic planning, patient focus, meas...

Difficulties with the interpretation of the parameters of the beta distribution let Malcolm et al. (1959) to suggest in the Program Evaluation and Review Technique (PERT) their by now classical expressions for the mean and variance for activity completion for practical applications. In this note, we shall provide an alternative for the PERT variance expression addressing a concern raised by Hah...