Final answer:
The dimension that refers to how well a study's results generalize to other contexts is known as ecological validity.
Step-by-step explanation:
The dimension along which a study context can be related to other potential contexts is called ecological validity. Ecological validity refers to the degree to which the results of a study can be generalized to real-world settings. It is distinct from internal validity, which pertains to the accuracy of the study in measuring what it aimed to measure within its controlled environment; external validity, which addresses the generalizability of the study's findings beyond the specific setting or group studied; and construct validity, which is concerned with whether a test or instrument measures the concept that it is intended to measure.