v Statistically significant differences do not necessarily require rejecting the status quo 1. A type 1 error is possible Rejecting HO does not 2. A type 2 error is possible prove HA because 3. Decreasing the significance level Not rejecting HO does not prove HO because 4. Increasing sample size The chance of a type 1 5. Because small differences without error is reduced by sufficient benefit can be made statistically significant by increasing Always take action if HO is sample size rejected 6. False The chance of a type 2 error is reduced by