Examlex
A magnifying lens of power d (in diopters) gives what magnification when the viewing eye is relaxed assuming a near point of 25 cm?
Experimenter
The person conducting an experiment, responsible for the setup, execution, and analysis of the experiment to test hypotheses and gather data.
Experimental Group
In experimental research, the group of participants that receives the treatment or intervention under study, contrasted with the control group.
Data Collection
The systematic gathering of information from various sources to analyze and derive conclusions in research or studies.
Observational Studies
Research methods in which the investigator passively observes and records behavior without interfering with the subjects.
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