Which of these is correct about a controlled experiment?
A) the control group receives the dependent variable
B) the placebo is always random
C) the dependent variable cannot be measured directly
D) the experimental group gets the independent variable
D
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Genes are composed of stretches of ______, a complex molecule shaped like a twisted ladder or staircase.
A. DNA B. gametes C. zygotes D. nuclei
Shantae is doing an experiment on how anxious people will feel if they are told that they did not do well on an intelligence test. She asks her participants to rate how nervous, upset, and anxious they feel on a scale from 1 (not at all) to 7 (very). Participant's scores on the scale are a(n) ____.?
a. ?operational definition of anxiety b. ?independent variable c. ?confounding variable d. ?empirical definition of anxiety
Not everyone is entitled to overtime pay when working more than 40 hours a week.
Answer the following statement true (T) or false (F)
Women who were pregnant during the "Dutch Hunger Winter" of 1944-1945 were more likely to have children who were later hospitalized for
A. major depressive disorder (MDD). B. anxiety disorders. C. autism. D. personality disorders.