What factor is NOT typically controlled during a fitness assessment?

In the context of fitness assessments, environmental conditions are typically managed to ensure that all participants are assessed under consistent conditions. This includes factors such as temperature, humidity, and overall facility environment, as these can significantly impact performance. By controlling environmental conditions, assessors can minimize variability and provide a fair testing scenario for all individuals.

In contrast, individual stress levels can fluctuate widely and are influenced by personal circumstances that are difficult to regulate in a testing environment. Similarly, the time of day may affect the performance of individuals differently, depending on their daily routines and personal energy levels, making it less controllable. Diet prior to the assessment can also greatly impact performance, and it can vary from one individual to another based on their personal choices or necessities.

Thus, while assessors strive to control numerous factors during a fitness assessment, environmental conditions remain a priority for consistency and fairness in evaluating an individual's fitness level.