[U1Q] Aleksander injures his knee and is in great pain, rati…

 Aleksander injures his knee and is in great pain, rating it an 8 out of 10. When he takes one brand of painkiller, it reduces the pain to a 4 out of 10. If he takes another brand of painkiller that has a similar effect to the initial painkiller, but there is an additive effect with both painkillers, he would likely rate his pain which of the following?

[U3Q] A BCBA is trying to determine which elements of a trea…

A BCBA is trying to determine which elements of a treatment package are necessary to maintain long-term behavior change. The client’s program currently consists of written instructions, a token economy, and verbal instructions to shape behavior. The BCBA evaluates these procedures both in isolation and in different combinations with each other to determine which elements are necessary to maintain behavior change. The BCBA is conducting which of the following?