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.
Coral reefs, such as this one in the Red Sea, support some of the most diverse assemblages of organi
Large Skipper
Multiple-dose drug administration: drug A and drug B are administered every 12 hours; drug B reaches
Intradermal injections are administered at a 10–15° angle.
Large facial tumor due to malignant Burkitt’s lymphoma, a non-Hodgkin’s lymphoma.