Is there a dose effect for exercise and depression as well as for well-being?
What will be an ideal response?
Investigators found an inverted graded dose relationship between cardiorespiratory fitness as measured by a treadmill test and measures on a depression scale in 5,451 men and 1,277 women as well as a positive graded dose response between cardiorespiratory fitness and a self-report measure of emotional well-being. In other words, they determined that the greater the cardiorespiratory fitness, the lower the depression and the higher the emotional well-being. The peak beneficial dose was 11 to 19 miles of walking, jogging, or running per week. Strengths of the study included its use of large samples and objective measures of fitness; a weakness of the study is that it was cross-sectional rather than prospective. As a result, the investigators could not establish cause-effect relationships.
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The process of sensation enables us to , where the process of perception enables us to
a. detect the world around us; make sense of the world around us b. make sense of the world around us; detect the world around us c. form meaningful representations of sensory information; experience the rich tapestry of colors and sounds d. transform sensory signals into sensations; convert external stimulation into neural signals e. convert external stimulation into neural signals; transform sensory signals into sensations
Antoine prefers to reason with his children and discuss the limits he sets. His children tend to be independent, competent, inquiring, self-reliant, and socially responsible. According to the research on parental styles, Antoine is exhibiting __________ parenting
a. authoritative b. authoritarian c. overly permissive d. neglectful
The first step in getting information into memory is ____
a. ?short-term memory b. ?elaboration c. ?studying d. ?paying attention
Unlike other designs, single-subject designs:
a. do not average the individual's data with the data of other subjects. b. use random sampling. c. use random assignment. d. are not concerned with internal or external validity.