[U5Q] Rodney is accumulating hours toward his BCaBA certific…

[U5Q] Rodney is accumulating hours toward his BCaBA certification, and his supervisor is assessing his observation skills. The supervisor asks Rodney to record interobserver agreement (IOA) data on their client Sydney’s thumb-sucking behavior at his preschool for a 40-minute period. Out of the twenty 2-minute intervals, either the supervisor or Rodney records that thumb-sucking did not occur in seven of the intervals. The supervisor and Rodney only agreed on the nonoccurrence of thumb-sucking in four of their seven intervals. The supervisor calculates IOA by dividing four by seven to obtain an IOA of 57%. This is an example of:

[U5Q] A behavior analyst is working with their client Malcol…

[U5Q] A behavior analyst is working with their client Malcolm who wants to quit smoking cigarettes. Malcom’s current baseline is 20 cigarettes per day. The behavior analyst and Malcolm develop a token economy where Malcom earns tokens for smoking a set number of cigarettes or fewer per day. Each week, the daily allotment decreases by one cigarette. They decide on this rate of change because Malcom wants to join a running group in about 20 weeks. What should the behavior analyst consider when using a changing criterion design?