Unverified50% confidenceFactExact time
功效分析需要预先指定显著性水平α（通常0.05）、期望统计功效（通常0.8或0.9）和预期效应量三个核心参数
1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
Unverified效应量的判断标准是：0.2属于小效应，0.5属于中等效应，0.8以上算大效应69% similarUnverified优势函数A(s,a) = Q(s,a) - V(s)衡量某个动作相对于平均水平的好坏程度66% similarUnverifiedBehaviorally Anchored Rating Scales (BARS) can improve inter-rater reliability from 0.4–0.6 for unstructured assessments to 0.7–0.9.66% similarUnverified评估基准测试质量的关键指标是假阳性率和假阴性率，理想基准应将两者控制在较低水平65% similarUnverifiedPew's ATP design effect typically ranges between 1.5 and 2.5, meaning that a survey with a nominal sample size of 1,000 may have an effective sample size of only 400–667.65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/571577API
curl https://kongchang.com/api/v1/knowledge/claims/571577MCP
get_claim(id=571577)