Examlex
What is the "resolving power" of a microscope?
Test Difficulty
The measure of how challenging an examination or a set of questions is, often determined by the proportion of test-takers who answer correctly.
Experimental Group
The group in an experiment that receives the variable being tested, contrasted with a control group that does not.
Randomly Assigned
A method used in experiments where participants are allocated to different groups in an unpredictable manner to reduce biases and ensure validity.
Erectile Disorder
A condition in which an individual struggles to achieve or keep an erection during sexual activities.
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