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  2. Spiral model - Wikipedia

    en.wikipedia.org/wiki/Spiral_model

    The spiral model is a risk-driven software development process model. Based on the unique risk patterns of a given project, the spiral model guides a team to adopt elements of one or more process models, such as incremental , waterfall , or evolutionary prototyping .

  3. Spiral Dynamics - Wikipedia

    en.wikipedia.org/wiki/Spiral_Dynamics

    Spiral Dynamics describes how value systems and worldviews emerge from the interaction of "life conditions" and the mind's capacities. [8] The emphasis on life conditions as essential to the progression through value systems is unusual among similar theories, and leads to the view that no level is inherently positive or negative, but rather is a response to the local environment, social ...

  4. Rapid application development - Wikipedia

    en.wikipedia.org/wiki/Rapid_application_development

    The first such RAD alternative was developed by Barry Boehm and was known as the spiral model. Boehm and other subsequent RAD approaches emphasized developing prototypes as well as or instead of rigorous design specifications. Prototypes had several advantages over traditional specifications: Risk reduction.

  5. Waterfall model - Wikipedia

    en.wikipedia.org/wiki/Waterfall_model

    The waterfall model is a breakdown of developmental activities into linear ... Spiral model; Structured Systems ... Understanding the pros and cons of the Waterfall ...

  6. Decisional balance sheet - Wikipedia

    en.wikipedia.org/wiki/Decisional_balance_sheet

    Research studies on the transtheoretical model suggest that, in general, for people to succeed at behaviour change, the pros of change should outweigh the cons before they move from the contemplation stage to the action stage of change. [11] Thus, the balance sheet is both an informal measure of readiness for change and an aid for decision-making.

  7. Security dilemma - Wikipedia

    en.wikipedia.org/wiki/Security_dilemma

    The spiral model identifies the next step in reasoning about states' behavior after identifying the intensity of the security dilemma. In particular, under given circumstances of the security dilemma, what steps might a threatened state take to derive advantage by attacking first. In other words, the spiral model seeks to explain war.

  8. Mom, Whose Son Was Just Diagnosed with Autism, in Tears ... - AOL

    www.aol.com/lifestyle/mom-whose-son-just...

    Leah Herod, a mom of three, received an official autism diagnosis for her son, Kai . After telling her best friend, Gillian, about the diagnosis, she found flowers on her doorstep

  9. Spiral approach - Wikipedia

    en.wikipedia.org/wiki/Spiral_approach

    The spiral approach is a technique often used in education where the initial focus of instruction is the basic facts of a subject, with further details being introduced as learning progresses. Throughout instruction, both the initial basic facts and the relationships to later details are repeatedly emphasized to help enter into long-term memory ...