At a daylong hearing before the House Committee on Transportation and Infrastructure, the E.P.A. administrator, Lisa P. Jackson, said that agency officials "are falling short of this administration's expectations for the effectiveness of our clean water enforcement programs".
Subjects with higher expectations for the effectiveness of their assigned treatments demonstrated greater improvement in function.
We included the outcome measures at baseline and followups, subject expectations for treatment effectiveness, and the subject characteristics, with categorical variables dummy coded, as the variables in the multiple imputation.
The most influential factors for patient willingness to participate were a physician recommendation (n=181, 26.8%), limited treatment options (n=178, 26.4%), and expectations of effectiveness of new anti-cancer drugs (n=142, 21.0%).
So that's the hardest thing to sit down with somebody and tell them, 'OK, it's going to take a few sessions to get you where you want to be.'" – Chiropractor 9, Tucson In addition, providers indicated that patients who experience an initial positive response often develop unrealistically high expectations for overall treatment effectiveness.
Patients became slightly more positive in their expectations for the treatment's effectiveness after randomization to their treatment arm compared to their expectations prior to randomization (main effect of time, p = .02).02
Another drug that works the same way, AstraZeneca's Iressa, has beaten Erbitux to market -- and has been shown to have only limited effectiveness, damping expectations for that class of drug.
This expectation is contrary to regular randomised controlled trials in which treatment is started, because in these trials, expectation of response can lead to inflated measures for effectiveness.
However, one provider had higher expectations for the GEM to enhance their effectiveness.
Additionally, "social expectations" of prevention interventions like PREP have recently gained attention and require early planning and assessment even prior to our understanding of their potential for effectiveness [25].
