A full blood count, or FBC, is a very common blood test. Doctors use this to check a person's general health as well as screening for specific conditions, such as anaemia. The number of red cells, white cells and platelets in the blood are checked.
Definition of floor effect: In clinical testing, where the performance being tested is nearly as bad as possible in the treatment and control conditions which precludes the formulation of an effective remedy or solution.
1 Defined. 2  V. Sensitivity: The ability of a test or measure to make distinctions. 3  Ceiling effects: Scores clustered near the maximum possible score prevent the detection of variables that raise scores. 4  Floor effects: Scores clustered near the minimum possible score prevent the detection of variables that lower scores.