Research Flashcards
Research: independent variable
Cause ( vent status, weight loss)
Controlled or manipulated by the investigator
Research dependent variable
Effect (length of stay)
Result of the influence of the independent variable and the
dependent variable reflects the effects of the independent variable
Type of research: descriptive
To portray acurratety and factually the Incidence
Distribution and
Characteristics of a group or situation
What do med students know about nutrition?
Research
Developmental
To investigate patterns and sequences of change as a function of time.
How does body weight change with aging?
Research
Experimental
Investigate cause and effect relationships by exposing one experimental group or more to one treatment or more and see if there is an effect.
If 20% lipid was subbed for 10% are EFA needs met by triene tetraene ratio.
Research
Correlational
Study or research how variations in one factor correspond to be variations in one or more factors based on correlation coefficients.
Can easy to measure variables be used to predict the energy expenditure of hosp. pts?
Cross sectional research
Observations at one instant in time
Retrospective research
Case controlled
Prospective
Cohort
investigate the causes of disease, establishing links between risk factors and health outcomes. Studies are planned in advance and carried out over a future period of time.
Experimental
Interventional