http://www.stomponstep1.com/usmle-bio...
SKIP AHEAD:
1:18 – What is the High Yield Rating
4:15 – Strategies for Biostats and Epidemiology Questions
6:02 – How many Biostats and Epidemiology Questions are on Step 1?
8:47 – Super High Yield Topics
11:22 - Medium Yield Topics
13:53 - Lower Yield Topics
14:50 - No Yield Topics

Learn about the High Yield Rating Here http://www.stomponstep1.com/high-yiel...

HIGH YIELD RATING:
10 – 2x2 Table
9 – Bias & Study Design (3-Randomization, 2 – Sampling & Selection Bias, 1 – Blinding & Placebo)
9 – Sensitivity & Specificity
9 – Type of Study Design (6-Cohort, 4-Case-Control, 4-RCT)
9 – Prevalence & Incidence
6 – p-Value and Statistical Significance
6 – Positive & Negative Predictive Value
6 – Relative Risk and Odds Ratio
4 – Confidence Interval
4 – Central Tendency (2-Mean, median and Mode, 1-Robustness, 1-Skew)
4 – Standard Deviation
3 – Statistical Testing
2 - # Needed to Treat/Harm
2 – Case Fatality Rate
2 – Power
1 – Absolute Risk Reduction and Attributable Risk

NO YIELD (HYR of 0):
Kaplan-Myer Curves
ROC curves
Correlation coefficient & regression
Precision and accuracy
Different levels of prevention
Phases of Clinical trials
Range and interquartile range
Z-scores
Pre Test and Post Test probability
Intention to treat vs. per protocol
Blocking (type of randomization)
Allocation Concealment
Hawthorne Effect and Observer expectancy bias
Lead time and length time bias
Funnel plot & publication bias
Forrest plot
PICO
Subgroup analysis
Surrogate, Clinical and Composite Outcomes
Hazard Ratio