Biostatistics Pt. 1 Flashcards
T/F: Continuous data is provided by some type of measurement which has unlimited options (theoretically) of continuous values
True
T/F: Discrete (categorical) data is data that fits into a limited number of categories
True
What method is best used to analyze continuous data with normal distribution for 2 groups
Student-T test
What method is best used to analyze continuous data
with normal distribution for 3 groups
ANOVA
What method is best used to analyze continuous data with normal distribution for 1 group
One sample t-test
What method is best for analyzing one group of discrete/categorical data
Chi-square test
What methods are best for analyzing one group of discrete/categorical data
Chi-square test OR Fisher’s exact
T/F: When looking at the decimal point in front of the confidence interval it tells you how likely something is going to happen as compared to placebo
True
What does intention-to-treat analysis mean
All patients who were randomized to a treatment group are analyzed
What is the best analysis for two drugs or interventions that are equivalent and you are trying to see which cost less
A cost-minimization analysis
What is a cohort study
Studies that follow patients who exposure to an event and are tracked to see if a particular outcome occurs
T/F: What ever the alpha is determines the percentage risk of type 1 error
True
What is a cohort study
An observational study that compares outcomes to a group of patients exposed to a treatment compared to a group of patients not exposed to a treatment
T/F: A percentage for sensitivity tells how often a true positive occurs while a percentage of specificity tells how often a true negative occurs
True
What does relative risk reduction measure
Measures how less likely an event is in the treatment group relative to the control group
