In Piaget’s theory, each time the back-and-forth movement between equilibrium and disequilibrium occurs, __________

Something based on data, demonstrations, or facts is called ______

Fill in the blank with correct word

Substantial distress, when separation from a major attachment figure occurs or is expected to occur, is characteristic of

a. PTSD. b. acute stress disorder. c. separation anxiety disorder. d. obsessive-compulsive disorder.