When sets of diverse ability tests are administered to large, unbiased samples, almost all the correlations are positive. This is a phenomenon known as ____.
a. the positive correlation effect.
b. positive manifold.
c. positive factor structure.
d. factor analysis.
Question 2
A study demonstrates that the number of cigarettes smoked per day is significantly correlated with the number of respiratory infections experienced by young adults. This observation suggests that
a. cigarette smoking causes respiratory infections.
b. cigarette smoking does not cause respiratory infections.
c. cigarette smoking causes some respiratory infections but not others.
d. the data do not allow inferences about causation.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family.
Laboratory and Diagnostic Tests
A diverse team of medical assistants.
Large-scale circulation systems produce global climate patterns
The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow