The three stages capture different points in information processing. Perception concerns whether relevant information is noticed, understanding concerns the meaning assigned to it, and anticipation concerns expectations about what may happen next. Separating them helps researchers determine whether an observed behavioral error began with missed information, faulty interpretation, or poor prediction, rather than treating every failure as a single problem.
Each approach examines a different aspect of performance. Knowledge-probe questions can reveal what a person knows about a situation, behavioral indicators show how that understanding appears in action, and self-report scales capture the participant’s own assessment. Comparing these sources gives researchers a broader account of information processing and decision-making than relying on any single measure.
Changing conditions can require people to continually update what they notice, how they interpret events, and what they expect to happen next. Measurements taken under such conditions can expose difficulties in adapting attention or decisions as circumstances evolve. This is especially relevant when researchers study behavior in complex environments, where performance depends on responding to information that does not remain constant.
A study generally begins by selecting the relevant information-processing aspect and choosing an assessment method, such as knowledge probes, performance indicators, self-report scales, or attention and decision-making analysis. Researchers then examine behavior under the selected conditions and interpret the results in relation to perception, understanding, anticipation, or adaptation. The workflow can be tailored to the behavior and environment being studied.
The results can identify where people lose access to relevant information or struggle to use it effectively. Patterns in knowledge responses, behavior, attention, or decisions may show whether difficulties involve information processing rather than the final action alone. Researchers can use these findings to evaluate training and interface design, with the goal of supporting better adaptation in demanding environments.
Behavior researchers apply these measures in contexts including driving, aviation, healthcare, and teamwork. In each setting, the assessment links information processing with observable actions during complex or changing situations. Findings can clarify how people adapt, identify errors in perception or judgment, and support comparisons of behavior across tasks where effective decisions depend on interpreting relevant information.