The ability of M. Levine's subset-sampling assumptions to account for the decrease in response latency following the trial of the last error was investigated by employing a distributed stimulus set composed of four binary dimensions and a procedure which required Ss to make an overt response in order to sample each dimension. (Author)

Purpose of this experiment was to explore the effects of pre- and postshift stimulus similarity, type of shift, and difficulty of discrimination in the standard solution shift - concept identification paradigm. (Authors/CB)

Results of these experiments are evaluated in conjunction with the hypothesis that frequency information is a dominant attribute in recognition decisions. (Author/MB)

Experiments reported here confirm the finding that performance can actually improve as intradimensional variability increases. (Authors/MB)

Results showed that imagery and frequency factors have independent and additive effects in verbal discrimination learning. (Author)

Frequency theory of verbal discrimination learning holds that the correct and incorrect alternatives of each word pair acquire differential frequencies. (Author/MB)

Results indicate that the RCR (rehearsal-of-the-correct-alternative response) plays an important role such that when the RCR is inhibited, performance is reduced. (Authors/CB)

Results suggest that kindergarten children extinguish mediating responses faster than instrumental choice responses while the reverse probably holds with second graders. (Authors)

Interpair acoustic and formal similarity are detrimental to verbal discrimination learning when manipulated individually; even larger performance decrements result when they are allowed to covary. (Authors)