While out bird-watching, Brian observed a crow use a twig to pry open a fast-food container that someone had left lying in the park. The crow's use of the twig is considered an example of _________

All psychological problems arise in which level of consciousness?

a) Alayavijnana (storehouse consciousness) b) Body consciousness c) Manas (self-consciousness) d) Manovijnana (thought consciousness)

Which of the following environmental factors has been found to be associated with reduced intelligence

a. Bilingual education b. Attending preschool c. Consumption of artificial sweetener d. Stressful family circumstances