A test of a null hypothesis which has power (see hypothesis test) which is at least as great as that of any alternative test for all values of the parameter under test. The concept was introduced by Sir Ronald Fisher in 1934.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。