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).
The major classes of vertebrates
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Classification of Antidepressants: Treatment of Major Depressive Disorder
Locations of major metabolic pathways within a eukaryotic cell
What is the contribution of studying wing spot in the field?
Guidelines for Field Triage of Injured Patients, Centers for Disease Control, 2011