StudySize is a user friendly program for sample size and power calculations when planning a study, clinical trial, survey, or experiment. It can be used to study a range of scenarios when the plan is to test, give an estimate, or calculate a confidence interval for the parameter of interest. The calculations in StudySize have been validated against the articles they are based on as well as against other sample size software. Comprises hypothesis testing, point estimation, and confidence interval.

Wikispaces Classroom is now free, social, and easier than ever. Reading for factual and procedural knowledge. Are you a linear or global learner? What are your natural abilities? How do you spend your time? What are your goals? How can I keep my study goals? How do you see yourself? Welcome to Essential Study Skills where we will help you learn how to learn.

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