Psychology-Naturalistic Observation Essay - 1781 Words

Naturalistic Observation Primary Reference Source Loucopoulos P and V Karakostas (1995) System Requirements Engineering. McGraw Hill International. Summary description Observational methods involve an investigator viewing users as they work and taking notes on the activity which takes place. Observation may be either direct, where the investigator is actually present during the task, or indirect, where the task is viewed by some other means such as through use of a video camera. Typical Application Areas Useful early in specification for obtaining qualitative data. This method is an alternative (non-involving) version of Contextual Inquiry. It is useful for studying currently executed tasks and processes. It has been†¦show more content†¦The book by Rubin is cited on account of its clarity of exposition, but this approach is documented in many sources. J Nielsen advocates an approach he calls discount usability engineering. Typical Application Areas These approaches may be used at any stage in the process, although discount usability engineering assumes the existence of a prototype that can stand on its own. Benefits The method can be seen as an alternative to more extensive trials, which may take place later, prior to a release of a product. Limitations If planning and preparation work is underestimated, results may be of little value. Cost of use Basic needs for this approach are paper forms for the observers, and equipment to show the interface on a screen or wall. This equipment could include an overhead projector, a computer screen, a barco, or a video based system with monitor. Optional materials needed would be a video camera to record the test session, log software and a computer with a simple data logging program. Costs of Acquisition This approach is public domain. The work of Rubin is particularly useful as a starting point. Suitability for requirements engineering in Telematics: This method deserves consideration as it directly involves endShow MoreRelatedEssay about Psychology-Naturalistic Observation1785 Words   |  8 Pages Naturalistic Observation Primary Reference Source Loucopoulos P and V Karakostas (1995) System Requirements Engineering. McGraw Hill International. Summary description Observational methods involve an investigator viewing users as they work and taking notes on the activity which takes place. Observation may be either direct, where the investigator is actually present during the task, or indirect, where the task is viewed by some other means such as through use of a video camera. Typical ApplicationRead MoreEssay on The Role of Methodology in Developmental Research1467 Words   |  6 PagesMethodology in Developmental Research Developmental psychology may be defined as a branch psychology devoted to understanding all changes that human beings, experience throughout the lifespan (Berk. E. 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