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Minor degree of hypohydration adversely influences cognition: a mediator analysis
attention cognition dehydration hypohydration memory
2018/12/13
Background: Because the assumption that small changes in hydration status are readily compensated by homeostatic mechanisms has been little studied, the influence of hypohydration on cognition was exa...
Prior Cognitive Task Analysis of Test Item Difficulty
test item difficulty cognitive task analysis prior diffculty
2015/7/29
The pass rate of a test item often serves as an index of its difficulty. This posterior index, though easy to obtain and definite, is susceptible to students' learning level. It cannot play a leading ...