A major difficulty with drawing causal inferences in the field is
A) the inability to obtain reliable measures.
B) the inability to randomly assign participants.
C) noncompliance of political leaders.
D) laboratory equipment seems out of place in natural settings.
Question 2
Which of the following is NOT one of the three types of generalization distinguished in the text? Generalization of the results
A) from the participants in the study to the larger population.
B) of the study over time.
C) from one study to another.
D) from the conditions of the study to other conditions (i.e., generalization to other settings).
Major types of plant secondary metabolites
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The Spinal Cord Is Protected by the Bony Structures of the Vertebrae. This Drawing of a Cervical Ver