Social problems - documentation of factors such as unsatisfactory housing, family pressures, or overseas family commitments, which clearly impacted on students' progress.
Instability in Egypt, the strength of the Swiss franc and the effect of recession on the property market have all had an impact on progress.
"It is going to have a dramatic impact on progress reports and school report card rates," said Edward Tom, the principal of the Bronx Center for Science and Mathematics, a small, high-performing school.
Therefore attacks had different impact on progress measures.
These advances also have a major impact on progress in understanding the molecular basis of antigenic variation.
Education is, in essence, the backbone of successful economies and societies, and our core business, information technology, has had a catalytic impact on progress.
Improvements of cell-free reaction mixtures, including new ways for efficient energy generation, had an additional impact on progress in cell-free protein synthesis technology.
The next attack (attack a2) was very small in scale and its nature is dubious, as it did not have any impact on progress and does not show any piece displacement on the video.
"The Ministry of Health is convinced that if exclusive breastfeeding as well as maternal and child health and nutrition are not improved, these will impact on progress towards the Millennium Development Goals in Viet Nam", he added.
Patients and the public continue to be regarded as a key stakeholder group, and the initial steps taken in the 1990s, such as the introduction of patient representatives onto commissioning panels and the later creation of INVOLVE, have been built on, although to date it is difficult to assess the impact of progress on some of these issues [ 45].
