|
Author Question: A condition or event that an experimenter varies to see its impact on another variable is called ... (Read 39 times) |
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f