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  2. Two-alternative forced choice - Wikipedia

    en.wikipedia.org/wiki/Two-alternative_forced_choice

    For example, to determine sensitivity to a dim light in a two-interval forced choice procedure, an observer could be presented with series of trials comprising two sub-trials (intervals) in which the dim light is presented randomly in the first or the second interval. After each trial, the observer responds only "first" or "second".

  3. Forced free trial - Wikipedia

    en.wikipedia.org/wiki/Forced_Free_Trial

    A forced free trial is a direct-marketing technique, usually for goods sold by regular subscription, in which potential buyers are sent a number of free product sample, usually periodic publications. Often, publishers distribute free copies and the reader is not asked to subscribe.

  4. Product sample - Wikipedia

    en.wikipedia.org/wiki/Product_sample

    A free sample or "freebie" or "trial packs" is a portion of food or other product (for example beauty products) given to consumers in shopping malls, supermarkets, retail stores, or through other channels (such as via the Internet). [2] Sometimes samples of non-perishable items are included in direct marketing mailings.

  5. Extended matching items - Wikipedia

    en.wikipedia.org/wiki/Extended_matching_items

    Extended matching items/questions (EMI or EMQ) are a written examination format similar to multiple choice questions but with one key difference, that they test knowledge in a far more applied, in-depth, sense. It is often used in medical education and other healthcare subject areas to test diagnostic reasoning.

  6. Type III error - Wikipedia

    en.wikipedia.org/wiki/Type_III_error

    In the 2009 book Dirty rotten strategies by Ian I. Mitroff and Abraham Silvers described type III and type IV errors providing many examples of both developing good answers to the wrong questions (III) and deliberately selecting the wrong questions for intensive and skilled investigation (IV). Most of the examples have nothing to do with ...

  7. Sign test - Wikipedia

    en.wikipedia.org/wiki/Sign_test

    The sign test is a statistical test for consistent differences between pairs of observations, such as the weight of subjects before and after treatment. Given pairs of observations (such as weight pre- and post-treatment) for each subject, the sign test determines if one member of the pair (such as pre-treatment) tends to be greater than (or less than) the other member of the pair (such as ...

  8. List of statistical tests - Wikipedia

    en.wikipedia.org/wiki/List_of_statistical_tests

    Others compare two or more paired or unpaired samples. Unpaired samples are also called independent samples. Paired samples are also called dependent. Finally, there are some statistical tests that perform analysis of relationship between multiple variables like regression. [1] Number of samples: The number of samples of data.

  9. Pair by association - Wikipedia

    en.wikipedia.org/wiki/Pair_by_association

    The paired association task broken down to its basics is: a stimuli, response, and the consequence of the cue association. This is best seen in a study where Naya, Sakai, & Miyashita [5] performed one version of the task on monkeys. In the study a primate was given a visual-visual paired-associate task where they were shown all the pairs in the ...