The second will take stock of the progress recorded in Uganda, Mali, Guinea, Mauritania, Mozambique, Congo, and Niger on consolidated organizational and political supports, funding mechanisms, technical assistance, and results produced for diagnostic studies in progress or about to start.

UNESCO: Taking stock of teacher diagnostic studies in Africa

The largest group of studies on the subject are in progress, including immunotherapy for people with peanut and milk allergies, she said.

CNN: 'Allergic Girl' teaches how to eat out with allergies

Ironically, the overpromise in the promotion of prostate cancer screening has prolonged the uncertainties and slowed our progress in prostate cancer medicine by dissuading men from entering studies to improve screening.

CNN: Screening for prostate cancer? Patients should decide

Genentech has already revealed that in separate studies, its Avastin delayed the progress of both lung and breast cancer.

FORBES: This Year's Cancer Debutantes

The global rankings are the result of two studies - the Trends in International Mathematics and Science Study (TIMSS) and the Progress in International Reading Literacy Study (PIRLS).

BBC: Northern Ireland is 'best in Europe' at primary maths

Duke University professor Christopher Gelpi, who studies public opinion, says it's the popular sense that progress is not being made in Iraq that's led to the decline in public support.

NPR: October 31: Deadly Month Is Finally Over in Iraq

Of the few studies cited, none showed evidence on whether students participating in the problem solving model made academic progress, none shared what the interventions used were or if they were delivered with fidelity.

FORBES: There Are No Silver-Bullets in Education Reform