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Item Difficulty: A statistical index of how easy/hard the item is with respect to the underlying ability/trait. That is, an item is difficult if not many people get it correct or respond in the keyed direction. Item Discrimination: A statistical index of the quality of the item, assessing ...
These Z scores served as the input for the multilevel analyses described in section 2.3.2.2. 2.3.2.2. Statistical analyses In order to investigate whether there were differences between junior and senior student teachers in grammatical reasoning ability, we divided these student teachers into three ...
Choosing prediction over explanation in psychology: lessons from machine learning. Perspect. Psychol. Sci. 12, 1100–1122 (2017). Article PubMed PubMed Central Google Scholar Lundberg, S. M. et al. From local explanations to global understanding with explainable AI for trees. Nat. Mach. ...
Thesis Title:"The role of cognitive dissonance in decision-making" Thesis Supervisor:Prof. Jane Smith Professional Appointments Lead Researcher NASA's Johnson Space Center, Houston, TX January 2011–Present Responsibilities encompass overseeing various cognitive psychology research projects, including experimen...
Stress arousal reappraisal (SAR) and stress-is-enhancing (SIE) mindset interventions aim to promote a more adaptive stress response by educating individuals about the functionality of stress. As part of this framework, an adaptive stress response is coup
Essentially identical methods are used to test the consistency of research results in physics and in psychology. These methods can be used to compare the consistency of replicated research results in physics and in the social sciences. The methodology is illustrated with 13 exemplary reviews from ...
We conclude by describing an application of these ideas in the context of microworlds as a case study. Keywords: cognitive flexibility; ergodic assumption; formative models; multilevel models; complex problem-solving 1. Introduction One of the least disputed claims in psychology is the link ...
Table 1. Possible results that would be obtained when answering two questions in a test in which there is a doubt between two options over which is the correct answer. Therefore, Table 1 shows the variations with the repetition of 2 elements taken 2 by 2, which is the statistical problem...
The task was administered with a computer running e-Prime software v1.2 (Psychology Software tools, Pittsburgh, PA, USA) which controlled the stimulus presentation on the stimulus monitor and timing. The inter-trial attention-getting stimulus was a colorful geometric form. A Sony CCD TRV67 video...