Final answer:
Sampling bias, which involves a flaw in the sampling process leading to an unrepresentative sample, cannot be categorized as a cognitive bias because it arises from methodology rather than cognitive processing.
Step-by-step explanation:
When analyzing which of the following biases cannot be categorized as a cognitive bias, it is essential to understand each type of bias. Confirmation bias is the tendency to search for, interpret, favor, and recall information that confirms one's preexisting beliefs or hypotheses. Anchoring bias involves relying too heavily on the first piece of information seen (the 'anchor') when making decisions. Emotional bias is influenced by the individual's emotions at the time a decision is made. However, sampling bias is distinct from these as it pertains to a flaw in the sampling process that allows for an unrepresentative sample, which is not a cognitive process but a methodological one. Hence, sampling bias cannot be categorized as a cognitive bias because it is related to the process of gathering information rather than the cognitive processing of that information.