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PubMedDate not supplied

Using cooperative learning strategies to teach implications of the Nurse Practice Act.

Nursing education should include teaching strategies that encourage students to participate actively in the learning process. Cooperative learning is a teaching/learning strategy that promotes active student involvement and leads to enhanced problem-solving skills, greater retention of material, and transfer of learning. The author describes cooperative learning and its use in a leadership/management course to teach students about the provisions of the state's Nurse Practice Act.

Cooperative Behavior↗
PubMed1992

Some properties of configural learning: an investigation of the transverse-patterning problem.

Little is known about the conditions that encourage animals to learn to use configural associations to guide their behavior or the consequences of such learning for transfer. This study provided some information about these issues by examining how rats solve the transverse-patterning problem, which requires a configural solution (Spence, 1952). Animals had to concurrently solve 3 simultaneous visual discriminations, represented abstractly as A+ versus B-, B+ versus C-, and C+ versus A-. Experiment 1 indicated that rats use a configural solution even when the problems have an elemental solution, provided that the significance of 1 element (e.g., B) shared by 2 problems is ambiguous (e.g., A+/B-; and B+/C-). Experiments 2 and 3 suggested that, when stimulated to use a configural solution by solving the A+/B- and B+/C- problems, rats transfer the configural solution to problems that have no ambiguous elements.

Animals↗
PubMed1995

Blocking in human electrodermal conditioning.

Associative blocking in human conditioning was investigated using electrodermal and self-reported US expectancy measures. Previous null results using a design reported by Lovibond, Siddle, and Bond (1988) suggested that a clearly demarcated phase structure and visual cues with semantic content may have distracted attention from the experimental contingencies. Therefore the current experiment intermixed pre-training and compound training trials and masked the transition to the test phase to remove or reduce phase boundaries. Simple coloured squares were used as CSs to reduce semantic content. A significant blocking effect was observed on both the expectancy measure and on the electrodermal measure. Both results were due to improved transfer of conditioning to the target CS in the overshadowing control group in comparison to previous experiments. The results were interpreted as providing evidence that previous null results were due to failure of transfer of learning across clearly distinct phases. There was no evidence of a dissociation between the electrodermal and self-report measures. Theoretical and procedural implications for human Pavlovian conditioning are discussed.

Adolescent↗
PubMed1970

Prolonged learning and split-brain cats.

A definite relation is shown between interhemispheric transfer and speed of learning. Split-brain cats were trained in a variety of discriminations, and the success or failure of interhemispheric transfer was evaluated with regard to rate of learning. When interhemispheric transfer succeeds, learning time is normal; when interhemispheric transfer fails, learning time is prolonged, becoming at least twice that of normal. Retention is also poor in those animals that exhibit prolonged learning. A normal learning curve appears to be the product of interaction between both cerebral hemispheres during learning.

Animals↗
PubMed1997

Transfer and Complexity in Artificial Grammar Learning

Implicit and explicit learning are sensitive to various degrees of complexity and abstractness, ranging from knowledge of first-order dependencies and specific surface structure to second-order dependencies and transfer. Three experiments addressed whether implicit learning is sensitive to this entire range of information or whether explicit knowledge becomes an important factor in cases of more complex learning. Experiment 1 used recognition and prediction to assess deliberate access to knowledge of letter patterns in an artificial grammar learning paradigm. Experiment 2 manipulated stimulus presentation and response in a sequence-based grammar learning paradigm. Learning can occur without awareness in cases of lesser complexity (such as learning first-order dependencies). However, more complex learning, such as that involved in learning second-order dependencies or in transfer to stimuli with the same underlying syntax but new surface features is linked to explicit knowledge. In contrast to Experiments 1 and 2 which assessed deliberate access to knowledge of the acquisition stimuli, Experiment 3 assessed deliberate access to knowledge of the transfer stimuli. Knowledge of initial trigrams in the transfer stimuli appears to play an important role in transfer. These findings are evaluated in terms of postulated implicit learning mechanisms.

Journal Article↗
PubMed1983

Interocular transfer in cats with early callosal transection.

The visual system is capable of reorganization following experimental interventions, provided that these are carried out before the 'critical period' early in life. Direct evidence suggests that this plasticity may also apply to the commissural system. In the present experiment, we sectioned the posterior two-thirds of the corpus callosum in kittens either before this structure attained maturity, as defined by various anatomical and physiological parameters, or after callosal maturation but before the end of the critical period for most other visual functions. As adult, further transection of the optic chiasma was carried out and these animals were then compared with adult split-brain cats for their ability to transfer monocularly learned pattern discriminations from one hemisphere to the other. Our results indicate that only the first group of animals with the earlier callosal transection demonstrated significant interhemispheric transfer. This suggests that the secondary commissural system is subject to at least some degree of functional plasticity. However, its critical period is very brief and possibly pre-dates the optimal activation of the callosal pathway.

Age Factors↗
PubMed2000

Optimizing generalized motor program and parameter learning.

Two experiments examined generalized motor program (GMP) and parameter learning. Experiment 1 examined the effects of bandwidth knowledge of results (KR) about relative timing in constant and variable practice. The purpose was to determine if movement stability created by the bandwidth manipulation is associated with increased GMP learning and if bandwidth KR interacts with constant and variable practice. Participants were asked to depress four keys sequentially, using the same relative timing structure. Constant practice had one absolute timing requirement, whereas variable practice had three different absolute timing requirements. The results indicated that GMP learning was enhanced by constant practice (independent of the bandwidth KR condition) and by bandwidth KR, when variable practice was used. The findings suggest practice conditions (bandwidth KR, constant practice) that increase movement stability during practice enhance GMP learning. Parameter learning (during transfer), however, was enhanced by variable practice. Experiment 2 attempted to determine how constant and variable practice conditions could be combined to enhance both GMP and parameter learning. The results indicated that developing a stable GMP early in practice--by providing learners with constant practice early in practice--and refining parameter learning later in practice--by providing them with variable practice late in practice--were effective for both GMP and parameter learning. This suggests a hierarchy in the development of programmed actions with a stable GMP being a requisite for developing an effective and stable parameter rule.

Adult↗
PubMed1992

Effects of fantasy contexts on children's learning and motivation: making learning more fun.

Two studies examined the effects of embedding instructional materials in relevant fantasy contexts on children's motivation and learning. In Study 1, Ss showed marked preferences for computer-based educational programs that involved fantasy elements. In Study 2, Ss worked with these programs for 5 hr. One program presented purely abstract problems. Others presented identical problems within fantasy contexts. Some Ss chose among 3 fantasies; others were assigned identical fantasies. Tests on the material occurred before, immediately after, and 2 weeks after the experimental sessions. Ss showed significantly greater learning and transfer in the fantasy than in the no-fantasy conditions. Having a choice of fantasies made no difference. Motivational and individualization strategies for enhancing interest and promoting learning are discussed.

Achievement↗
PubMed2006

Flexible remembering.

Although highly specific memory is critical in many contexts, the ability to recall knowledge in a more abstract or "gist-based" manner is crucial in allowing transfer of learning to new situations and to complex forms of thought such as using analogies and drawing inferences based on the classification of events and objects. Yet it is unknown whether we can flexibly and intentionally alternate on demand between recollection of gist and recollection of detail, particularly for events from a single context. In a randomly cued test of item-specific versus category-based recognition, younger--and to a lesser extent, older--adults demonstrated such flexible remembering. Gist control was higher in younger than in older adults, and in older adults it correlated with measures of frontal function.

Adolescent↗