Answer:
Yes
Explanation:
Yes, there is the presence of a threat.
This threat is known as instrumentation. There is an Instrumentation threat when changes are made in the instrument, or the changes are made in the researcher, or the scorer when the research is being carried out.
In this question, mrs smith is the one who is the researcher, the program of reinforcement can be called the instrument. She made errors during the first few week but started getting it right in the second week. So there is a slight change in these two weeks. Causing instrumentation threat to how valid the program is.
Hi there hope this helps you and is enough!
<em>Social boundaries are laid out friendly principles that are considered average in light of the fact that the vast majority in the public eye concur that they are sensible lifestyle choices. For example, in America, burping before others is discourte</em><em>d</em>
Barry could explain to his friend that, when persistent, anxiety can do health damage to the point of depression. Therefore, he should explain that a therapist's help can be very effective, as he is a professional who can help Barry's friend identify the causes of anxiety and propose a way to solve this unpleasant problem.