Search results
Results From The WOW.Com Content Network
Often discussed in tandem with KR-20, is Kuder–Richardson Formula 21 (KR-21). [4] KR-21 is a simplified version of KR-20, which can be used when the difficulty of all items on the test are known to be equal.
Until the development of tau-equivalent reliability, split-half reliability using the Spearman-Brown formula was the only way to obtain inter-item reliability. [4] [5] After splitting the whole item into arbitrary halves, the correlation between the split-halves can be converted into reliability by applying the Spearman-Brown formula.
Cronbach's alpha (Cronbach's ), also known as tau-equivalent reliability or coefficient alpha (coefficient ), is a reliability coefficient and a measure of the internal consistency of tests and measures.
The Lions were built well enough that Goff didn't need to be the best quarterback in the league for them to advance. But even this kind of a Maserati needs a driver who won’t plow into traffic.
Validity is the main extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world. [1] [2] The word "valid" is derived from the Latin validus, meaning strong.
Umpire Pat Hoberg is the latest professional sports figure caught in a betting scandal. The 38-year-old Hoberg was fired by Major League Baseball on Monday for sharing his legal sports gambling ...
Reliability does not imply validity.That is, a reliable measure that is measuring something consistently is not necessarily measuring what is supposed to be measured.
7 or 8 dan: Founder and first head of the house Hayashi. Yasui Santetsu (安井算哲) 1589–1652: 8 dan: Founder and first head of the house Yasui. Inoue Genkaku (井上玄覚) 1605–1673: 7 dan: First head of the Inoue house on the unrevised numbering (not counting Nakamura Doseki). Honinbo Sanetsu (本因坊算悦) 1611–1658: 8 dan