A recent visit to my ophthalmologist included the assessment of several lens options to allow my eyes to focus at 20/20 visual acuity (the clarity or sharpness of vision). A combination of lenses are necessary to achieve this optimum condition—one for reading, one for viewing objects clearly at a distance, one for computer work, and finally darkened lenses that allows me to keep my eyes open in the sunlight. My new lenses work wonderfully if I place them over my eyes; they are useless when stored in their cases.
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HELLO, GOD! IT'S YOUR DAUGHTER CALLING!!
Our electronic world allows rapid communication with those we wish to contact. All is well when the individual immediately answers the phone or responds to the electronic message. However, it can be irritating or discouraging when we reach out to someone and the response is silence.
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ARE YOU CONTENT IN YOUR TESTS AND TRIALS?
As a college professor I have two primary responsibilities to my students; the first is to provide them with instruction in the subject matter content, and the second is to measure whether or not they have mastered it. Their subject matter mastery is usually measured in the form of a test—and it is always my desire that they will earn a high grade on it. I know, however, for it to be a valid measurement that the test must be difficult enough to align with their academic maturity—I do them no favors if it is too easy, and it is not a reliable measurement if it is too difficult.
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