Affect arousing and energizing properties of positive and negative reinforcing stimuli were investigated. Subjects received positive evaluations (PE), similar attitudes (SA), dissimilar attitudes (DA) or negative evaluations (NE) presented on slides. Pre- and post-slide semantic differentials were filled out by each subject. All subjects then…

Presented children (N=96) aged 8-11 with verbal pain or nonpain stimuli contingent or noncontingent on a target response. Delivered stimuli within an aggressive or nonaggressive setting and with or without affect. Type of setting did not influence the behavior, but stimuli delivered in an affective manner did facilitate responding. (Author/RC)

Despite the seminal studies of response differentiation by the method of successive approximation detailed in chapter 8 of "The Behavior of Organisms" (1938), B. F. Skinner never actually shaped an operant response by hand until a memorable incident of startling serendipity on the top floor of a flour mill in Minneapolis in 1943. That occasion…

Five experiments were conducted to determine whether properties inherent in some training procedures may subtly influence the adaptability of skilled performance of complex tasks. The first two experiments assessed the insensitivity of low-rate performances. Examined in the third experiment was the issue of whether instructions that focus…