reversal effect

reversal effect

The theory that stock prices overreact to relevant news so that extreme investment performance tends to reverse itself. Some studies indicate that short-term overreaction may lead to long-term reversals as investors recognize and correct past pricing errors.
References in periodicals archive ?
Similar to Panels C to E in Table V, we examine the reversal effect based on analysts' recommendations.
The main instructional implication of the expertise reversal effect within a CL framework is the need to adapt instructional methods to varying levels of learner expertise or existing schemata.
Purpose: The aim of the present study was to evaluate the inhibitory potency of [beta]-carotene on the ABC efflux transporters, as well as the reversal effect of [beta]-carotene toward MDR cancers.
Expertise reversal effect and its instructional implications: Introduction to the special issue.
For example, 2010's Medal of Honor used a role reversal effect by allowing U.
At the same time, in spite of the reliability of the partial-whole reversal effect after criterion training that animals learn the partial reversal more rapidly than the whole (Nakagawa, 1978, 1986, 1992, 1998, 1999a, 2000), it remains unclear whether the effect is caused by a facilitation of the partial condition, and a retardation in the whole condition, or a combination of the two effects.
Eric Bornstein, Chief Science Officer of Nomir, said, "After two years of intensive in vitro studies with Noveon that demonstrated its resistance reversal effect on MRSA when tested with generic methicillin, penicillin, erythromycin, tetracycline and bacitracin at physiologic temperatures, our team has now duplicated the phenomenon in an IRB-approved human pilot study.
Tailoring the design of instructional procedures and formats to levels of learner prior knowledge is one of the essential recommendations of this theory based on research on the expertise reversal effect (Kalyuga, 2007).
Thus, cue-associations theory predicts a large positive overtraining reversal effect (ORE) in the whole condition.
The reversal effect was sustained for more than 24 hours for all doses of 2g and above.
Nakagawa (1992) has examined the whole-partial reversal effect of overtraining in concurrent discriminations and assessed the effect against single discrimination training in rats.
In addition, the reversal effect of SAA on paclitaxel resistance in MCF-7/PTX cells and underlying mechanism will be investigated.