Examlex
The ______________________ attribute of the tag controls the appearance of a frame's scrollbars.
Observational
Pertains to a research method in which the investigator observes subjects without manipulating the study environment or the subjects themselves.
Experimental
Involving a trial or test to discover something unknown, often conducted under controlled conditions.
Randomized
Pertains to assigning participants or variables in a study in a manner that is entirely based on chance, ensuring equitable distribution across various conditions or treatments.
Prospective Study
An observational research method in which participants are followed over time to observe outcomes of interest.
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