In natural, or quasi-, experiments,
A) random assignment helps protect against reduction in the accuracy of the findings.
B) researchers combine random assignment with the matching technique.
C) cause-and-effect inferences cannot be made.
D) lack of random assignment substantially reduces the precision of the research.
Answer: D
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In the human retina, messages go from receptors at the back of the eye to ____
a. retina cells b. bipolar cells c. ganglion cells d. spiny cells
Answer the following statements true (T) or false (F)
1. Malingering is a behaviour in which individuals fabricate medical or psychological symptoms to get something they want. 2. Physicians often focus on a patient's emotions and allow this focus to overshadow technical aspects of the patient's illness. 3. A substantial number of people who seek medical care do so for treatment of psychological and emotional problems. 4. Compliance to a medical treatment tends to decrease as the treatment becomes more frequent. 5. Optimists stick to the medical regimens their caregivers have prescribed better than do pessimists.
Relaxation exercises recommended for stress management produce a very relaxed, though still awake state, characterized by __________ waves
a. omega b. beta c. delta d. alpha
A psychology professor perceives that his pants are getting too tight around his expanding waistline; _____ in the skin are responsible for conveying this sensory information to his brain.
A) thermoreceptors B) texture receptors C) pressure receptors D) pain receptors