In 1978 the Principles of Adult Learning Scale (PALS) was developed to measure the degree of practitioner support of the principles of the collaborative teaching-learning mode for teaching adults. Although the original study with a field test group of 57 produced a valid and reliable 44-item summated rating scale, the stability of the normative…

The Principles of Adult Learning Scale (PALS) was developed and validated for measuring congruency between adult education practitioners' actual observable classroom behavior and their expressed belief in the collaborative teaching-learning mode. This model is a learner-centered instruction method in which learner and practitioner share authority…