Study Design — Flashcards

What selection bias occurs when specifically selecting healthy people? _____

What is the equation for standard error? _____

What is the relationship between the mean, median, mode in a positively skewed distribution?_____

The power of a study is increased with _____ sample size

Patients typically get exposed to _____ radiation via exposure to the sunlight

In a Ratio of A/B, is A part of B? _____

What type of bias is caused by increased detection of diseases (e.g. cancer) with a more benign course? _____

_____ surveys are observational studies that compare a frequency of disease and frequency of risk related factors at one time point

For a short duration disease, how are prevalence and incidence related? _____

What type of studies assess the frequency of a given characteristic and a given outcome using population data?_____