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  2. Software testing - Wikipedia

    en.wikipedia.org/wiki/Software_testing

    Alpha testing is simulated or actual operational testing by potential users/customers or an independent test team at the developers' site. Alpha testing is often employed for off-the-shelf software as a form of internal acceptance testing before the software goes to beta testing.

  3. Software release life cycle - Wikipedia

    en.wikipedia.org/wiki/Software_release_life_cycle

    Alpha testing is the first phase of formal testing, during which the software is tested internally using white-box techniques. Beta testing is the next phase, in which the software is tested by a larger group of users, typically outside of the organization that developed it.

  4. Multisample anti-aliasing - Wikipedia

    en.wikipedia.org/wiki/Multisample_anti-aliasing

    Alpha testing. Alpha testing is a technique common to older video games used to render translucent objects by rejecting pixels from being written to the framebuffer. If the alpha value of a translucent fragment (pixel) is below a specified threshold, it will be discarded.

  5. Software testing tactics - Wikipedia

    en.wikipedia.org/wiki/Software_testing_tactics

    Alpha testing is simulated or actual operational testing by potential users/customers or an independent test team at the developers' site. Alpha testing is often employed for off-the-shelf software as a form of internal acceptance testing, before the software goes to beta testing.

  6. Statistical hypothesis test - Wikipedia

    en.wikipedia.org/wiki/Statistical_hypothesis_test

    Set up two statistical hypotheses, H1 and H2, and decide about α, β, and sample size before the experiment, based on subjective cost-benefit considerations. These define a rejection region for each hypothesis. 2. Report the exact level of significance (e.g. p = 0.051 or p = 0.049).

  7. Army Alpha - Wikipedia

    en.wikipedia.org/wiki/Army_Alpha

    The Army Alpha is a group-administered test developed by Robert Yerkes and six others in order to evaluate the many U.S. military recruits during World War I. It was first introduced in 1917 due to a demand for a systematic method of evaluating the intellectual and emotional functioning of soldiers.

  8. Type I and type II errors - Wikipedia

    en.wikipedia.org/wiki/Type_I_and_type_II_errors

    The test is designed to keep the type I error rate below a prespecified bound called the significance level, usually denoted by the Greek letter α (alpha) and is also called the alpha level. Usually, the significance level is set to 0.05 (5%), implying that it is acceptable to have a 5% probability of incorrectly rejecting the true null ...

  9. A/B testing - Wikipedia

    en.wikipedia.org/wiki/A/B_testing

    A/B testing is a way to compare multiple versions of a single variable, for example by testing a subject's response to variant A against variant B, and determining which of the variants is more effective.

  10. Army General Classification Test - Wikipedia

    en.wikipedia.org/wiki/Army_General...

    Robert Yerkes and a committee of six representatives developed two intelligence tests; the Army Alpha test and the Army Beta test to help the United States military screen incoming soldiers for "intellectual deficiencies, psychopathic tendencies, nervous intangibility, and inadequate self-control".

  11. Forensic DNA analysis - Wikipedia

    en.wikipedia.org/wiki/Forensic_DNA_analysis

    A DQ alpha testing strip showing a positive result. The filled in dots represent the allele values for that sample. Developed in 1991, DQ alpha testing was the first forensic DNA technique that utilized the polymerase chain reaction.

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