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The negative control demonstrates the base-line result obtained when a test does not produce a measurable positive result. Most often the value of the negative control is treated as a "background" value to subtract from the test sample results. Sometimes the positive control takes the quadrant of a standard curve. An example that is often used ...
For instance, when a highly math-anxious student performs disappointingly on a math question, it could be due to math anxiety or the lack of competency in math because of math avoidance. Ashcraft determined that by administering a test that becomes increasingly more mathematically challenging, he noticed that even highly math-anxious ...
The simplest types of control are negative and positive controls, and both are found in many different types of experiments. [2] These two controls, when both are successful, are usually sufficient to eliminate most potential confounding variables: it means that the experiment produces a negative result when a negative result is expected, and a ...
Learning centers are typically set up in a classroom to encourage children to make choices. As they work in the centers they learn to work independently as well as cooperatively. This gives the child more control over what they do. [1] Learning centers offer one easy route to addressing children's individual learning styles. [2]
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The more time a person spends thinking about a rewarding stimulus, the more likely he or she will experience a desire for it. Information that is most important gains control of working memory, and can then be processed through a top-down mechanism. [51] Evidence suggests that top-down processing plays a strong role in self-control.
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This approach has precluded many procedures for modifying and maintaining children in not just the school system, but in many cases in the regular education setting. [103] [104] Even children with severe behavior problems appear to be helped. [105] [106] [107] Teaching children to recruit attention [108] has become a very important area in ...