Books We Keep

1 Ron Allen, Ph.D., BCBA-D and Jeff Kupfer, Ph.D., BCBA-D Simmons University (Boston) and University of Colorado (Denver) A science progresses with experimentation followed by application, which occasions more experimentation. …

How Fuzzy are We?

3 How Fuzzy are We? Jeff Kupfer, Ph.D., BCBA-D and Ron Allen, Ph.D., BCBA-D University of Colorado and Simmons University While clearing my files this morning, I reread Critchfield and …

Spontaneity

2 Spontaneity Jeff Kupfer and Ron Allen University of Colorado (Denver) and Simmons University (Boston) Historically, spontaneous behavior has been tricky territory for complete explanations of behavior. In some cases, …