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| • Abstractions; Ideas or mental pictures |
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• Linked to concepts and models, but not the same thing
• Building blocks = concepts, terminology
• system of ideas to explain things based on a hypothesis
• concepts come together to make it
• draw on or combine different models |
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• Help us to think and learn about the world around us
• Useful for synthesis of complex data, theories, concepts, relationships, and so on.
• Representation of something |
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depicting phenomenon that are of special interest or illustrating particular public health response to infectious disease outbreaks
o Help us be creative and experiment, visualize what we learn and apply it |
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Definition
abstractions that represent some aspect of reality
o Explanatory function – expose relationships between variables and identifying possible interventions
o Serves as conceptual framework – guide research questions, programs, study designs, analysis and interpretation of results
o Describes phenomenon & communicates it with others
o Identifies links between determinants at different levels
o Identify strategic points for action |
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| malaria diagram; How everything (host, vector and environment) interacts with each other and allows malaria to exist |
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| social determinants of health model |
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o Have many levels in a model
o How all layers impact individual health |
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• Worldviews – ways of knowing reality
• Sometimes treated as common sense, may go unquestioned
• Examples: positivism, interpretivism, postmodernism, feminism, humanism, etc. |
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| axiological, ontological, epistemological, methodological |
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| study of what things are good and how good are they |
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| study of the form and nature of reality |
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study of how we come to know things about the world
o Multiples realities? Is there reality or is it separate |
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| different principles, philosophies, and approaches to doing research |
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| Thomas Kuhn, Paradigm Shift |
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Definition
o 1. Normal science ->
o 2. Model drift (some ppl saying it doesn’t work for them. Malaria – bed nets help to reduce but locals couldn’t afford them but rates didn’t drop because model didn’t take into assumption of culture that they sold them or used them as beds) ->
o 3. Model crises (major drift, models aren’t enough, might not even be model, what is missing , lack of faith) ->
o 4. Model revolution (new models come up when other fails and another one is used) ->
o 5. Paradigm change (new model used) |
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