When Tracy was a young child, she often complained of stomachaches at bedtime. Her parents discovered that if they gave her the “green medicine” she always felt better immediately. The green medicine consisted of water with green food coloring. This is an example of
stress sensitization
the placebo effect
a paradigm shift
selective attention

The placebo effect.

Explanation:

A placebo effect can be defined as a phenomenon that acts like a treatment and offers benefit in health but in reality is fake. A placebo effect can be defined as anything that looks like to be a medical treatment, but in reality it is not. Though the treatment given is not real, yet it have positive affect on the body. In this treatment, mind is tricked by fake-treatment.

In the given case, Tracy is being given the 'green medicine' that was nothing but water with green food coloring. Though this treatment is not real but gave benefit in Tracy's health.

So, the correct  answer is the placebo effect.

intonation based on rhythm.

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens. gfrt   jytku6 wqte t5r