Research Review Flashcards
3 broad categories of research
Non experimental
Experimental
Qualitative
Two types of non experimental research designs
Descriptive
Ex post facto- examples relationships between 2 variable
A. Cross sectional (surveys)
B. Cohort
C. Longitudinal
True experimental studies have
Randomization and a control group
____\ are the highest level of quantitative design without meta analysis
RCTs
Quasi experimental groups lack
Lack a comparison(control groups) or randomization
Qualitative design includes
Case studies, open ended questions , participants observations. “The lived experience
3 things to remember about qualitative research
Research bias is a potential problem
Calls into question generalizability of findings
Produces very rich data through no other means of research
Levels of evidence hierarchy
Meta analysis
RCTs
Quasi Experimental
Qualitative cohort studies
Case controlled studies
Editorial/expert opinion
What are the component of PICOT?
Patient (population)
Intervention (treatment)
Comparison (control)
Outcome (result, or effectiveness of what’s being tested
Timing (duration of the measure/data collection)
Type 1 error
False positive… incorrectly rejecting the null hypothesis
Type 2 error
False negative
Meta analysis vs meta synthesis
Quantitative studies vs qualitative studies
Confidence interval
A small confidence interval implies a very precise range of values
Level of significance is a
P value
The probability of false rejection of the null hypothesis in a statistical test
P value
95% chance that what you’re seeing is not due to chance
T test
Statistical test to evaluate the difference in means between 2 groups
