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The reversal test is a heuristic designed to spot and eliminate status quo bias, an emotional bias irrationally favouring the current state of affairs.The test is applicable to the evaluation of any decision involving a potential deviation from the status quo along some continuous dimension.
An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [ 1 ] Eye charts are often used by health care professionals, such as optometrists , physicians and nurses , to screen persons for vision impairment .
After the test subject has seen and responded to all of the inkblots (free association phase), the tester then presents them again one at a time in a set sequence for the subject to study: the subject is asked to note where they see what they originally saw and what makes it look like that (inquiry phase). The subject is usually asked to hold ...
A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific eye. The symbols on an acuity chart are formally known as "optotypes". Variation of Snellen chart with another letter ...
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There are multiple other cognitive biases which involve or are types of confirmation bias: Backfire effect, a tendency to react to disconfirming evidence by strengthening one's previous beliefs. [32] Congruence bias, the tendency to test hypotheses exclusively through direct testing, instead of testing possible alternative hypotheses. [12]
Sloan letters, designed by Louise Sloan in 1959, are a set of optotypes used to test visual acuity generally used in Snellen charts and logMAR charts. This set of optotypes consists of ten specially formed "letters", C, D, H, K, N, O, R, S, V and Z. [ 1 ] These letters, unlike the ones used in older Snellen charts, are designed to give acuity ...
In a 2011 article, Kahneman recounted the story of his discovery of the illusion of validity. After completing an undergraduate psychology degree and spending a year as an infantry officer in the Israeli Army, he was assigned to the army's Psychology Branch, where he helped evaluate candidates for officer training using a test called the Leaderless Group Challenge.