You can always leave, during or after the probation period, given that you fulfill some contractual requirements (like telling them some weeks in advance, see your contract). Employment is no prison. For more information, see http://en.wikipedia.org/wiki/Probation_%28workplace%29
Screening is conducted to identify or predict students who may be at risk for poor learning outcomes. Universal screening assessments are typically brief, conducted with all students at a grade level, and followed by additional testing or short-term progress monitoring to corroborate studentsâ risk status.
Scientists continue to develop tests that help find specific types of cancer before signs or symptoms appear. This is called screening. The main goals of cancer screening are to: Reduce the number of people who die from the disease, or eliminate deaths from cancer altogether. Reduce the number of people who develop the disease.