caffeinated beverage participants who received 24 ounces of a caffeinated

Caffeinated beverage participants who received 24

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caffeinated beverage, participants who received 24 ounces of a caffeinated beverage, and participants who received no caffeine. If this was a between subjects design with 30 total participants, how many participants would be in each condition? Selected Answer: 1 0 Question 9 2 out of 2 points During the late 1980s and the early 1990s the Pepsi Challenge was in full swing. During the challenge, participants were asked to taste cola from both Coke and Pepsi. Once they had tasted both drinks, the participants were asked to report which was better tasting. The results indicated that participants found Pepsi products to be better tasting. This is
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an example of what type of research design ? Selected Answer: within subjects design Question 10 2 out of 2 points Dr. Roberts with the Mayo Clinic conducted a study on individuals between the ages of 70–89 and found differences in men and women. In this example, gender of participant was the __________. Selected Answer: between subjects variable. Question 11 2 out of 2 points When the effects of a prior treatment condition influences subsequent treatment conditions, a researcher is faced with this disadvantage to a within subject design. Selected Answer: carryover effects Question 12 0 out of 2 points In a within subjects design, all participants are exposed to all levels of the independent variable. A major concern to the participants going through all levels of the independent variable is becoming tired of participating in the study. What disadvantage is being described here? Selected Answer: order effects Question 13 2 out of 2 points We discussed a study known as the Stroop effect. Stroop developed 3 types of stimuli for his study. Each type of stimuli presented a different task that participants had to complete. Stroop then measured the amount of time it took the participants to complete each task. What is the dependent variable in this study? Selected Answer: the time to complete the task Question 14 2 out of 2 points Carefully review the research matrix presented below. If this is a between subjects design, how many total participants will be used in the experiment? No Caffeine 8 Ounces 24 Ounces 10 participants 10 participants 10 participants
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Selected Answer: 3 0 Question 15 2 out of 2 points Betsy is conducting a study on school psychologists. She is thinking of having school psychologists complete four experimental conditions each lasting one hour. A colleague suggests to Betsy that she modify the design so that different groups of school psychologists are used and Betsy will not have to worry about __________.
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