Final Answer:
The following is NOT associated with "second session let down is C) Heightened enthusiasm and participation is NOT associated with "second session let down."
Step-by-step explanation:
Definition of "Second Session Let Down":
"Second session let down" refers to a phenomenon where, after an initial enthusiastic start, there is a decline in energy, engagement, and motivation during subsequent sessions of a group activity or program.
Option C - Heightened Enthusiasm and Participation:
This option contradicts the typical characteristics of "second session let down." In this context, heightened enthusiasm and active participation are not aligned with the concept, as "let down" implies a decline in these aspects.
In summary, "second session let down" is characterized by a decline in energy, engagement, and motivation, making heightened enthusiasm and participation inconsistent with this phenomenon. Therefore, option C is NOT associated with "second session let down."