Why can't researchers claim causation when examining the relationship between variables?

Which of the following is an example of a fad from the 1920s

Which step is not normally considered a basic step of the rational decision-making approach?

How many times have the patriots been to the superbowl in the last 15 years?

Nodding, smiling, and saying, "uh, huh" are all forms of response known as

What place did General Eisenhower pick for the Allied invasion in the west? A. Calais B. Normandy C. Berlin D. Hiroshima

The Jews were exiled and forced to spend 70 years in Babylon. If you were forced to live far away from your homeland, how would you react to your situation?

Does the farmer believe that the new south is working to improve his life? cite evidence to support your claim

James, a human resource manager, is preparing materials for an upcoming series of interviews, and has created a set of standardized questions that will be asked of every applicant. What kind of interview will be held

More than half of American schools report at least one serious, violent incident per year. a. true b. false

A 9th grade class is chosen for an experiment. A random half of the students receive specialized one-on-one tutoring in the classroom twice a week. The other half of the students work in study groups in the same classroom as the one-on-one students.