CBT Common Core Beliefs Tool for Mental Health Practice Cognitive Behavioral Therapy Worksheet Maladaptive Beliefs and Automatic Thoughts Psychoeducation. Thinking traps, Automatic thinking. Negative thinking. Growth mindset, therapy worksheets, CBT Tools Core beliefs are a person’s most central ideas about themselves, others, and the world. These beliefs act like a lens through which every situation and life experience is seen. In cognitive behavioral therapy (CBT), core beliefs are thought to underlie automatic thoughts. Support clients to identify core beliefs and normalize them using this printable tool. Sizes: Printer Paper (11 x 8.5 inches) & (24 x 18 inches)