Intro Flashcards
True or False: A peer reviewed journal is always a quality study
False. Not all peer reviews are the same quality.
Validity definition
Measuring what it is suppose to measure
What journal is higher quality?
Medline or open access
Medline journal
Open access is less stringent
describe a randomized control study
- 2 Randomized groups
ROXO (intervention OR Standard of Care +)
RO O (no intervention OR Standard of Care Only) - Within: Time (Pre and Post)
- Group: Between
- Run a Mixed Model ANOVA
Pubmed Commons
T or F: Studies are always properly representative of patients
False, due to comorbidities, test design, etc.
Regression to the mean
The more you test people the less outliers there are. Data becomes less extreme.
Hawthorne Effect
people respond based off expectations, this may influence change
Case Report or single subject design
Testing same person multiple times over time
Significant different ____ clinical significant
DOES NOT ALWAYS EQUAL
What is a good effect size?
0.8
Reliability
Consistency
The wider the differences of scores from a participant the ____ the SD
wider
Confidence Interval
range in which 95% of the population should fall within
P-Value
- Probability of their being a difference
- Less than 0.05 means you are 95% confidence that there is a difference
- Involves Alpha and effect size (helps give meaning)
independent variable
what you manipulate; between or within group
Between: Grouping things; Ex: Age, type of injury
Within: Pre/Post testing
dependent variable
Variable measured or observed
Ex: Force (Nm)
Types of Outcome data
Nominal - categorical (injured/uninjured)
Ordinal - order (poor-good-better; Ex: MMT)
Interval - More precise but has NO 0
Ratio - Equal units between values, has a 0
Statistical analysis and ____ have to match!
design
