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.
Screening is when a test is used to look for a disease before there are any symptoms. Cancer screening tests work when they can find disease early, when treatment works best. Diagnostic tests are used when a person has symptoms. The purpose of diagnostic tests is to find out, or diagnose, what is causing the symptoms.