unconditioned reinforcer see natural reinforcer; primary re...
rostrum n. (pl. rostra) a beak-shaped or prowli...
Sorry, "american-association-of-applied-and-preventive-psychology-aaapp" is not...
selective silence in psychotherapy, a prolonged silence imp...
Sorry, "carver-and-whites-bis-bas-scales" is not in the Dictionary of Psychology...
concretization n. 1. inability to think abstrac...