نتایج جستجو برای: from current methods
تعداد نتایج: 6857801 فیلتر نتایج به سال:
abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...
dynamic assessment according to vygotskys sociocultural theory, states that instruction and assessment are interrelated. using static forms of assessment with second and foreign language students could do more harm than good. many teachers neglect to take account of the complexity involved in learning a second or foreign language and often wonder why learning of a language take so long. thi...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
Research on passive avoidance learning has demonstrated reliabledifferences between psychopaths and controls when avoidance errors result in electric shock but not in loss of money (Schmauk, 1970). Using monetary punishments, Newman, Widom, and Nathan (1985) found that psychopathic delinquents performed more poorly than controls in an experimental paradigm employing monetary reward as well as t...
Oscillatory and synchronized activities in the mammalian brain have been correlated with the execution of complex cognitive tasks. Similar oscillations have been observed in local field potentials (LFPs) in flies, in this case correlated with different attentional states. To further test the significance of these oscillations we recorded LFPs from the brain of Drosophila melanogaster as it resp...
In Aplysia, noxious stimuli induce sensitization of defensive responses. However, it remains largely unknown whether such stimuli also alter nondefensive behaviors. In this study, we examined the effects of noxious stimuli on feeding. Strong electric shocks, capable of inducing sensitization, also led to the suppression of feeding. The use of multiple training protocols revealed that the time c...
The principal goal of the present research was to contrast the arousal-level and cognitive-labeling (anger) interpretations of aggressive behavior. In a 2 X 5 factorial between-subjects design, subjects were first either insulated or treated neutrally by a confederate. Four fifths of the subjects then received on each of 50 trials a 10-sec tone sequence while deciding whether or not to give an ...
Thresholds for sensation, pain, and tolerance were obtained from 20 male and 20 female observers who received trains of electrical pulses applied to the volar forearm. Also determined were estimates of sensory magnitude for a series of stimuli that spanned the pain sensitivity range (PSR) between pain threshold and tolerance, as well as Weber fractions for the discrimination of stimuli at the m...
Forty subjects served in a study investigating the characteristics of experimental pain measures. Subjects indicated when their pain threshold and tolerance levels had been reached with each of three stressors: cold, pressure, and electrical shock. Using the multitrait-multimethod matrix procedure, the measures of threshold and tolerance were found to show both generality and discriminant valid...
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