Psychology education/training. Other/similar trees. Philosophy intro. Trance Addiction. Depression. Philosophy. Mood. Neuroscience. Dreams. Out of Body Experience. Meditation. MIND & EMOTIONAL HELP/HEALTH. Social Services Web Sites. Psychology Dictionary (A) at AllPsych Online. AB Design A single subject research design that contains one baseline (A) and one treatment (B).
ABAB Design A single subject research design that contains a baseline (A1), treatment (B1), a second baseline (B2) and a second treatment phase (B2) Alpha (lowercase) The abbreviation for probability of error in statistical results. PCA/ACA.