Semin tw What is the most common standard for statistical significance? Results that conflict with what has occurred previously Results that occur in the middle 50% of the distribution of possible outcomes () Results in the most extreme 5% of possible outcomes () Results that confirm previous research 2 ein ta What is the impact on the size of the needed sample of changing from .01 confidence in meeting specified requirements to .05 confidence? Sample size is unaffected Sample size diminishes Sample size grows () Sample size increases by a factor of 5