Many assays have integrated, built-in, or internal controls to demonstrate their operability at specific procedural steps. What role do these built-in controls play in quality control to assure ...

The External Controls Draft Guidance provides FDA’s thinking specifically with regard to a trial that has a single treatment arm and single control arm. The draft guidance proposes that in addition to ...

In 1954, Psychologist Julian B. Rotter proposed the concept of locus of control made up of two ends of a continuum. On one end of the continuum is the internal locus of control with the external locus ...

Clinical trials give patients hope — especially when all other available treatments have been exhausted. That hope compels patients to commit a substantial amount of time and effort for the chance to ...

In 1954, psychologist Julian B. Rotter proposed the concept of locus of control. He said it contained two ends of a continuum. On one end of the continuum is the internal locus of control. On the ...