NUR 80A/B Lecture Notes - Lecture 4: Random Assignment, Statistical Process Control, Observational Error
14 Mar 2020
School
Department
Course
Professor
Document Summary
Characteristics of experimental designs: manipulation of independent variable, randomization (random assignment) representative ; by virtue of random assigning; the demographic variables should equalize, control or comparison group. After-only test; test only after tx is given. Before-after test- baseline before tx: manipulation of independent variable, no randomization ( ie: unit a vs unit b, maybe control, time series design; watch group for time; give intervention and then continue to measure afterwards. Non experimental design: no randomization, no control, no manipulation. * retrospective design: pt already have cancer and time to do chart review to find out pt hx. Prospective: follow smokers and non smokrs and who dev lung cancer: descriptive correlational studies: Research control ; study context, ( single and double blind), standardized communication, intervention fidelity ( ensure that study was implemented as planned) characteristics) , statistical control participant factors: randomization, homogeneity, matching ( match pt based on.
