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  2. Customer satisfaction - Wikipedia

    en.wikipedia.org/wiki/Customer_satisfaction

    A previous study about customer satisfaction stated that when a customer is satisfied with a product, he or she might recommend it to friends, relatives and colleagues. [10] This can be a powerful marketing advantage. According to Faris et al., "[i]ndividuals who rate their satisfaction level as '1,' by contrast, are unlikely to return.

  3. Kano model - Wikipedia

    en.wikipedia.org/wiki/Kano_model

    The Kano model is a theory for product development and customer satisfaction developed in the 1980s by Noriaki Kano.This model provides a framework for understanding how different features of a product or service impact customer satisfaction, allowing organizations to prioritize development efforts effectively.

  4. Convex preferences - Wikipedia

    en.wikipedia.org/wiki/Convex_preferences

    Comparable to the greater-than-or-equal-to ordering relation for real numbers, the notation below can be translated as: 'is at least as good as' (in preference satisfaction). Similarly, ≻ {\displaystyle \succ } can be translated as 'is strictly better than' (in preference satisfaction), and Similarly, ∼ {\displaystyle \sim } can be ...

  5. Net promoter score - Wikipedia

    en.wikipedia.org/wiki/Net_promoter_score

    Net promoter score (NPS) is a market research metric that is based on a single survey question asking respondents to rate the likelihood that they would recommend a company, product, or a service to a friend or colleague. [1]

  6. Von Neumann–Morgenstern utility theorem - Wikipedia

    en.wikipedia.org/wiki/Von_Neumann–Morgenstern...

    The theorem forms the foundation of expected utility theory. In 1947, John von Neumann and Oskar Morgenstern proved that any individual whose preferences satisfied four axioms has a utility function , where such an individual's preferences can be represented on an interval scale and the individual will always prefer actions that maximize ...

  7. Customer satisfaction research - Wikipedia

    en.wikipedia.org/wiki/Customer_satisfaction_research

    Many customer satisfaction studies are intentionally or unintentionally only descriptive in nature because they give a snapshot in time of customer attitudes. If the study instrument is administered to groups of customers periodically, then a descriptive picture of customer satisfaction through time can be developed ("tracking" or cohort study ...

  8. Customer lifetime value - Wikipedia

    en.wikipedia.org/wiki/Customer_lifetime_value

    Churn rate + retention rate = 100%. Most models can be written using either churn rate or retention rate. If the model uses only one churn rate, the assumption is that the churn rate is constant across the life of the customer relationship. Discount rate, the cost of capital used to discount future revenue from a customer. Discounting is an ...

  9. Marginal utility - Wikipedia

    en.wikipedia.org/wiki/Marginal_utility

    Marginalism is an economic theory and method of analysis that suggests that individuals make economic decisions by weighing the benefits of consuming an additional unit of a good or service against the cost of acquiring it. In other words, value is determined by the additional utility of satisfaction provided by each extra unit consumed.