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  2. A/B testing - Wikipedia

    en.wikipedia.org/wiki/A/B_testing

    The company then monitors which campaign has the higher success rate by analyzing the use of the promotional codes. The email using the code A1 has a 5% response rate (50 of the 1,000 people emailed used the code to buy a product), and the email using the code B1 has a 3% response rate (30 of the recipients used the code to buy a product). The ...

  3. Factor analysis - Wikipedia

    en.wikipedia.org/wiki/Factor_analysis

    Factor analysis can be only as good as the data allows. In psychology, where researchers often have to rely on less valid and reliable measures such as self-reports, this can be problematic. Interpreting factor analysis is based on using a "heuristic", which is a solution that is "convenient even if not absolutely true". [49]

  4. Employment of autistic people - Wikipedia

    en.wikipedia.org/wiki/Employment_of_autistic_people

    Autistic people's preferences and expectations at work can be radically different from those of non-autistic people. In the general population, motivating factors at work are based on salary and bonuses, the prospect of promotion supported by the symbolism of power, and social benefits in terms of leisure and festive encounters. [186]

  5. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    The two main categories of ECC codes are block codes and convolutional codes. Block codes work on fixed-size blocks (packets) of bits or symbols of predetermined size. Practical block codes can generally be hard-decoded in polynomial time to their block length. Convolutional codes work on bit or symbol streams of arbitrary length.

  6. Multiple factor analysis - Wikipedia

    en.wikipedia.org/wiki/Multiple_factor_analysis

    Multiple factor analysis. Multiple factor analysis (MFA) is a factorial method [1] devoted to the study of tables in which a group of individuals is described by a set of variables (quantitative and / or qualitative) structured in groups. It is a multivariate method from the field of ordination used to simplify multidimensional data structures.

  7. Coupon - Wikipedia

    en.wikipedia.org/wiki/Coupon

    Coupon. In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product. Customarily, coupons are issued by manufacturers of consumer packaged goods [1] or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed through mail ...

  8. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. MFA protects personal data —which may ...

  9. Confirmatory factor analysis - Wikipedia

    en.wikipedia.org/wiki/Confirmatory_factor_analysis

    In statistics, confirmatory factor analysis (CFA) is a special form of factor analysis, most commonly used in social science research. [ 1 ] It is used to test whether measures of a construct are consistent with a researcher's understanding of the nature of that construct (or factor). As such, the objective of confirmatory factor analysis is to ...