Home
Flashcards
Preview
ABSITE ch 44 statistics.txt
Home
Get App
Take Quiz
Create
Automatically remove your image background. Try it now!
https://remove-image-background.com
Incorrectly rejecting null hypothesis
Type I error
Accepting the null hypothesis incorrectly
Type II error
Hypothesis that no difference exists between groups
Null hypothesis
Spread of data around a mean
Variance
Prospective study with random assignment; avoids treatment biases
Randomized controlled trial
Prospective study where patient and doctor are not told what treatment will be; avoids observational biases
Double blind controlled trial
Prospective study comparing disease rates between exposed and unexposed groups
Cohort study
Retrospective study in which those who have the disease are compared with a similar population who do not have the disease
Case-control study
Combining data from different studies
Meta-analysis
Comparison of means from two groups of quantitative data
Student�s T test
Comparison of means of before and after studies
Paired T test
Comparison of means for more than 2 groups
ANOVA
Comparison of two groups with categorical variables
Chi-squared test
Incidence in exposed/incidence in unexposed
Relative risk
Probability of making the correct conclusion
Power
Number of people with disease in a population
Prevalence
Number of new cases diagnosed over a certain time frame in a population
Incidence
Ability to detect disease, or true positives/(true positives + false negatives)
Sensitivity
Ability to state no disease is present, or true negatives/(true negatives + false negatives)
Specificity
Likelihood that with a positive result, the patient actually has the disease
PPV
Likelihood that with a negative result the patient does not have the disease
NPV
True positives + true negatives/true positives + true negatives + false positives + false negatives
Accuracy
Automatically remove your image background. Try it now!
https://remove-image-background.com
Author
alshada
ID
4859
Card Set
ABSITE ch 44 statistics.txt
Description
ABSITE ch 44 statistics
Updated
2010-01-23T21:51:33Z
Show Answers
Home
Flashcards
Preview