To test the efficacy of a prescription anti-anxiety medication, clinical researchers administered it to some test subjects while others unknowingly received sugar pills. Everyone knew what the trial was about; and it occurred in the USA. Both groups reported reduced anxiety. How/why?
A) the 'meaning response' promoted anxiety-reduction among the sugar-pill takers B) allostasis was triggered C) the nocebo effect was at work D) resilience promoted endurance in those who received the 'real' drug E) all of the options are true