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  2. Psychological evaluation - Wikipedia

    en.wikipedia.org/wiki/Psychological_evaluation

    Psychological evaluation is a method to assess an individual's behavior, personality, cognitive abilities, and several other domains. [a] [3] A common reason for a psychological evaluation is to identify psychological factors that may be inhibiting a person's ability to think, behave, or regulate emotion functionally or constructively.

  3. Headlamp - Wikipedia

    en.wikipedia.org/wiki/Headlamp

    In 1989, the Americans created their own standard for a bulb called HB2: almost identical to H4 except with more stringent constraints on filament geometry and positional variance, [94] [95] and power consumption and light output expressed at the US test voltage of 12.8V. [96] The first US halogen headlamp bulb, introduced in 1983, was the HB1 ...

  4. Educational assessment - Wikipedia

    en.wikipedia.org/wiki/Educational_assessment

    The answers will vary between individuals, but the average answer is probably close to the actual time. In many fields, such as medical research, educational testing, and psychology, there will often be a trade-off between reliability and validity. A history test written for high validity will have many essay and fill-in-the-blank questions.

  5. Analysis of variance - Wikipedia

    en.wikipedia.org/wiki/Analysis_of_variance

    There are some alternatives to conventional one-way analysis of variance, e.g.: Welch's heteroscedastic F test, Welch's heteroscedastic F test with trimmed means and Winsorized variances, Brown-Forsythe test, Alexander-Govern test, James second order test and Kruskal-Wallis test, available in onewaytests R

  6. Research question - Wikipedia

    en.wikipedia.org/wiki/Research_question

    The answer to a research question will help address a research problem or question. [5] Specifying a research question, "the central issue to be resolved by a formal dissertation, thesis, or research project," [6] is typically one of the first steps an investigator takes when undertaking research.

  7. Yahoo Answers - Wikipedia

    en.wikipedia.org/wiki/Yahoo_Answers

    Answers was launched to the general public on December 8, 2005 [11] [12] and was available until May 14, 2006. Yahoo! Answers was finally made available for general availability on May 15, 2006. [13] Yahoo! Answers was created to replace Ask Yahoo!, Yahoo!'s former Q&A platform which was discontinued in March 2006. [14]

  8. ACT (test) - Wikipedia

    en.wikipedia.org/wiki/ACT_(test)

    The ACT (/ eɪ s iː t iː /; originally an abbreviation of American College Testing) [10] is a standardized test used for college admissions in the United States.It is administered by ACT, a nonprofit organization of the same name. [10]

  9. Charpy impact test - Wikipedia

    en.wikipedia.org/wiki/Charpy_impact_test

    In materials science, the Charpy impact test, also known as the Charpy V-notch test, is a standardized high strain rate test which determines the amount of energy absorbed by a material during fracture. Absorbed energy is a measure of the material's notch toughness. It is widely used in industry, since it is easy to prepare and conduct and ...