The FDA will review the process for evidence of content validity in terms of item generation, data collection method and instrument administration mode, recall period, response options, instrument format, instructions and training, patient understanding, scoring of items and domains, and respondent and administration burden.
As Mr Sirri points out, the dangers inherent in super senior tranches of CDOs were similar to those in put options, instruments that have been around in financial markets for decades and entail risks that are well understood.
The sports retailer said on Thursday that it had disposed of the near-60m shares it had acquired last Friday and replaced it with a put option, an instrument that gives the right to take ownership of up to 81.3m shares in future, without directly controlling the holding.
See, for example, the difference in the modelling of 'Exercise' (enumerated options) and 'Instrument' (free text) in Figure 6.
It is also noteworthy that alternative instruments with different psychometric properties may have resulted in more (or less) accurate predictions depending on the qualities of the instrument (response options, sensitivity to change etc).
The perception of patients and FPs that SDM occurred will be assessed using a self-administered questionnaire, D-OPTION, derived from the original third observer instrument, OPTION [ 20, 21].
The measure is derived from the world of options, the instruments that allow investors to protect themselves against (or speculate on) future price movements.
Salvador Pineda and Antonio J. Conejo's paper describes electricity options as instruments to manage two main risks faced by power producers in the deregulated environment: price and production-availability risks.
In this paper, we describe electricity options as instruments to manage the two main risks faced by power producers: price and production-availability risks.
