Learned Helplessness Theory. Martin Seligman is responsible for the Learned Helplessness theory which had a major influence on psychological research into depression in the 1970s. Seligman discovered helpless ness by accident whilst studying the effects of inescapable shock on active avoidance learning in dogs.he central axiom of the theory-that helplessness is a cognitive state in humans and animals is emphasized, before comparing helplessness in animals with human depression. The Motor Activation Deficit hypothesis represents a major challenge to Learned Helplessness theory.
What is the 'Average Revenue Per Unit - ARPU'. The average revenue per unit (ARPU) is a measure of the revenue generated per user or unit. Average revenue per unit allows for the analysis of a company's revenue generation and growth at the per-unit level, which can help investors to identify which products are high or low revenue-generators.
Average Recurring Revenue (aka avg. sale price) The recurring revenue owed on AVERAGE per customer. Equal to the average sale price for the initial subscription, and then increases over time from upgrades and upsells. average recurring revenue per customer = ARR =. TRR. C. TRR = total recurring revenue; C = # of customers. ACS per customer.