Answer:
<em>overexpectation </em>
Explanation:
<em>Overexpectation effect: </em><em>In psychology, the term "overexpectation effect" is defined as the phenomenon that tends to occur when a researcher finds the declination of response to a very well established CS or conditioned stimulus that have been encountered with further reinforcement training with respect to each other. The overexpectation effect has been widely studied by a psychologist named Ivan Pavlov who is responsible for setting up the pattern for studying and then explaining the response loss.</em>
<em>In reference to the question, the given statement represents the overexpectation effect.</em>
A primary source. A primary sources are first hand accounts like diaries, autobiographies, etc.
they fought wars against muslim leaders