Why is it important to use randomized controlled trials in research?
What will be an ideal response?
By assigning participants to groups on the basis of the flip of a coin, numbers drawn from a hat, or a table of random numbers, the chance is increased that characteristics other than the independent variable will be equally distributed across treatment groups.
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Another use of the ______ is for data from a nominal scale, where there are no numbers that can be used to calculate the mean or median.
A. mean B. median C. mode D. central tendency
Which age-related change in vision is most likely to interfere with an older adult's ability to read road signs from a moving automobile?
A. A decline in near vision B. Sensitivity to glare C. Glaucoma D. Difficulties with tasks that require speed of visual performance
Esme and Chloe are having a conversation about men. "You know," Chloe says, "I think my husband tries to annoy me! Even though he tries to do what I ask, I think that subconsciously he really enjoys ticking me off to see the reactions he'll get. Freud must have been right!" Esme, who has just studied personality psychology in school, corrects Chloe by saying which of the following?
A. "You're probably right, Chloe. Freud was really into subconscious motives." B. "Freud's theory has absolutely no validity in the modern times, Chloe. Stop analyzing your husband!" C. "Freud really didn't address the psychological functioning of men, Chloe, only women." D. "Well, Chloe, there really is no 'subconscious' in Freud's theory!"
Spanking is against the law in some countries.
Answer the following statement true (T) or false (F)