Teacher value - added scores, computed with care, should be taken seriously because these scores serve as meaningful signals of long - term benefit to students. (carnegieknowledgenetwork.org)
The Three White Soldiers pattern is basically a reversal confirmation pattern, which becomes useful over time to derive meaningful signals for forex, binary and equities. (best-binary-options-strategy.com)
Facebook says that «liking» a post is just a passive activity and is therefore a less meaningful signal to use for ranking purposes. (inc.com)