One disadvantage of time sampling is:

The chosen answer highlights a fundamental limitation of time sampling. Time sampling involves observing behavior at predetermined time intervals, which can result in missed opportunities to capture behaviors that occur outside these specific times. For example, if a researcher is only observing every 5 minutes, any significant interaction or behavior that takes place just after one observation period and before the next is not recorded. This can lead to an incomplete understanding of the behavior being studied, as it may appear less frequent or less varied than it actually is.

This shortfall is particularly notable in contexts where behaviors might be infrequent or highly variable, as the fixed intervals could inadvertently exclude important data points. Thus, while time sampling is a useful method for obtaining systematic observations over time, its structure can limit the breadth of behaviors that are captured within the research.

In contrast, other approaches such as event sampling allow researchers to record behaviors whenever they occur, thus reducing the likelihood of overlooking significant actions. This difference is crucial in designing research that aims to capture the full range of behavioral phenomena.