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The user calls into a dedicated phone line, and hears a spoken script that details the question, and the possible responses. Each response option is given a number, and the user presses the corresponding number key on the phone keypad to record the choice.
A chat line is a service that allows people to meet and talk with others via telephone call. When multiple people can join the call, they are also called party lines . However, more recent [ when? ] chat lines are similar to CB radio in which a number of people both listen and speak together.
A portion of the call fees is paid to the service provider, allowing premium calls to be an additional source of revenue for businesses. Tech support, psychic hotlines, and adult chat lines (e.g. dating and phone sex) are among the most popular kinds of premium-rate phone services.
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Non-inferiority trial A trial with the primary objective of showing that the response to the investigational product is not clinically inferior to a comparative agent (active or placebo control). (ICH E9) Nonrandomized clinical trial A clinical trial in which the participants are not assigned by chance to different treatment groups.
Graam Vanni: [23] meaning 'voice of the village', is a social technology company incubated out of IIT Delhi which uses IVR as the main medium. Mobile Vaani [ 24 ] is a product of this company which connects to hard to reach in northern India with development messages, employment alerts, entrepreneurial activities, and also conduct market ...
Qualifier variables, which include additional illustrative text, or numeric values that describe the results or additional traits of the observation (such as units or descriptive adjectives). A fifth type of variable role, Rule, can express an algorithm or executable method to define start, end, or looping conditions in the Trial Design model.
In a general sense, a clinical endpoint is included in the entities of interest in a trial. The results of a clinical trial generally indicate the number of people enrolled who reached the pre-determined clinical endpoint during the study interval compared with the overall number of people who were enrolled.