Which pair of pre-eminent cognitive theorists have offered accounts of the etiology and treatment of abnormal behaviour?

A) Ellis and Beck
B) Ellis and Rogers
C) Watson and Skinner
D) Bandura and Mowrer
E) Bandura and Walters

Ellis and Beck are both cognitive theorists who have offered accounts of the etiology and treatment of abnormal behaviour. Albert Ellis developed Rational Emotive Behaviour Therapy (REBT) which focuses on identifying irrational beliefs and replacing them with more rational and helpful ones. Aaron Beck developed Cognitive Behavioural Therapy (CBT) which focuses on identifying and changing negative thought patterns to improve emotional well-being.