To Be Announced (TBA), To Be Confirmed (TBC), and To Be Determined (TBD), almost always used in their abbreviated forms, denote that the datum, of which TB(A/C/D) is a stand-in, is yet to be announced/confirmed/determined at the time of writing.
The acronyms are often applied in early-to-mid-stage engineering project documentation and preliminary contracts in industry. Although used for all kinds of interim/preliminary or unknown-at-the-time-of-writing data, the most common uses in engineering documents and contracts are related to:
dates of commencement, completion, etc; estimated total or remaining time to do a specific work task
money amounts, i.e. costs, prices
physical or derived quantities as-yet-to-be-obtained from tests/measurements
engineering values depending on one or more of the above, with safety margins included
The TBA abbreviation is widely used in entertainment writing and listings for cast and crew information, broadcast and film release dates, and production titles for which information has yet to be confirmed, decided upon, or announced.
Confirmation bias is a type of statistical bias describing the tendency to search for or interpret information in a way that confirms one's preconceptions.
In inductive inference, confirmation bias is a type of cognitive bias toward confirmation of the hypothesis under study.
Confirmation bias is a phenomenon wherein decision makers have been shown to actively seek out and assign more weight to evidence that confirms their hypothesis, and ignore or underweight evidence that could disconfirm their hypothesis.
In the Roman Catholic Churchconfirmation is one of the seven sacraments instituted by Christ for the conferral of sanctifying grace and the strengthening of the union between individual souls and God.
Confirmation is seen as granting the receiver an extra-natural source of wisdom, knowledge and courage, should the person desire it with an open heart.
In Protestant churches, confirmation is often called a "rite" rather than a sacrament, and is held to be merely symbolic rather than an effective means of conferring divine grace.
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