29. The system of claim 1 , wherein said objective occurrence data solicitation module configured to solicit at least a portion of objective occurrence data including soliciting data indicating incidence of at least one objective occurrence, the solicitation being prompted based at least in part on a hypothesis linking one or more objective occurrences with one or more subjective user states and in response, at least in part, to an occurrence of at least one subjective user state associated with a user comprises: an objective occurrence data solicitation module configured to solicit the data indicating incidence of at least one objective occurrence in response, at least in part, to a subjective user state data reception module receiving data indicating incidence of the at least one subjective user state associated with the user.
29. The system of claim 1 , wherein said objective occurrence data solicitation module configured to solicit at least a portion of objective occurrence data including soliciting data indicating incidence of at least one objective occurrence, the solicitation being prompted based at least in part on a hypothesis linking one or more objective occurrences with one or more subjective user states and in response, at least in part, to an occurrence of at least one subjective user state associated with a user comprises: an objective occurrence data solicitation module configured to solicit the data indicating incidence of at least one objective occurrence in response, at least in part, to a subjective user state data reception module receiving data indicating incidence of the at least one subjective user state associated with the user. 33. The system of claim 29 , wherein said objective occurrence data solicitation module configured to solicit the data indicating incidence of at least one objective occurrence in response, at least in part, to a subjective user state data reception module receiving data indicating incidence of the at least one subjective user state associated with the user comprises: an objective occurrence data solicitation module configured to solicit the data indicating incidence of at least one objective occurrence in response, at least in part, to a subjective user state data reception module receiving from the user the data indicating incidence of the at least one subjective user state associated with the user.