Выражения встречаются в тексте о развитии детей.

Контексты такого рода: gray-area thinking involves making comparisons; gray area thinking is an introspective, rational process that examines objectively the ends of actions;
Children move beyond simple causes for reasoning and move to multi-causal thinking ;
Triangular thinking is being able to compare and contrast two things;
Заранее спасибо