A reversal design (ABAB) involves
a. Gathering data during an initial or baseline (A) phase when the variable of interest is not present
b. Conducting a second treatment or manipulation (B) phase in which the event or situation of interest is present
c. Repeating the alternation of these baseline and manipulation conditions to establish a clear pattern showing the
relationship between the variable manipulation and changes in levels or rates of problem behaviors
d. All of the above
Question 2
To test these summary statements directly
a. We must ask the person what they are thinking when they engage in the problem behavior
b. We must ask support providers what they are thinking when the person engages in the problem behavior
c. We must complete a formal diagnosis
d. We must observe the person under conditions in which particular relevant antecedents and consequences are
present and under conditions in which they are not present
e. None of the above
The cladistic approach from molecular genetic data
Carbon Dioxide Phase Diagram
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ...
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Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.