Additonal Resources
For Investigators & Staff

The following are links to quality Internet sites provided by other organizations.

Clinical Research Design
Conceiving the Research Question
Understanding Research Methods
Research Design Explained
Choosing a Research Design
Clinical Research Designs and FDA Phase 1-4 Drug Trials

General Statistics
Finding Statistics & Data Sets
Statistics Glossary
Introduction to Statistics
Online Statistics Textbook
Internet Data Sources for Social Scientists
Free Download of "G*Power"
Free Download of "PS Power & Sample Size"
Sample Size Calculations for Proportions or Averages
Sample Size Calculator for Survey Design
Choosing a Statistical Test
Statistical Calculations Online
Two by Two Table Analysis
T-test Analysis
Free Meta-Analysis Software

Screening and Diagnostic Tests
Sensitivity and Specificity
Likelihood Ratios
Odds Ratios and Relative Risk Computations
Relative Risk, Relative Risk Reduction, Absolute Risk Reduction and Odds Ratios
NNTs
Bayesian Calculator

Clinical Trials
CenterWatch.com
ClinicalTrials.gov
Clinical Trials Information
Cancer Trials
Clinical Studies at NIH

Research Grants & Funding
HHS Grant Opportunities
NIH Grants and Funding Opportunities
Illinois Researcher Information Service (IRIS)
Foundation Center
Foundations.org
Fundsnet Services