AAB DesignA single subject research design that contains one baseline (A) and one treatment (B).ABAB DesignA single subject research design that contains a baseline (A1), treatment (B1), a second baseline (B2) and a second treatment phase (B2)Alpha (lowercase小写字母)The abbreviation for probability of error in statistical results. See Type I Error. (a)Alternative Hypothesis 被择假设The hypothesis that states there is a difference between two or more sets of data.Absolute ZeroCharacteristic of a scale of measurement that contains a point where the scale has no value.Acmodation 顺应...