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Chapter 1: Problem 72

The article "Display of Health Risk Behaviors on MySpace by Adolescents" (Archives of Pediatrics and Adolescent Medicine [2009]: \(27-34\) ) described a study in which researchers looked at a random sample of 500 publicly accessible MySpace web profiles posted by 18-year-olds. The content of each profile was analyzed. One of the conclusions reported was that displaying sport or hobby involvement was associated with decreased references to risky behavior (sexual references or references to substance abuse or violence). a. Is it reasonable to generalize the stated conclusion to all 18-year-olds with a publicly accessible MySpace web profile? What aspect of the study supports your answer? b. Not all MySpace users have a publicly accessible profile. Is it reasonable to generalize the stated conclusion to all 18-year-old MySpace users? Explain. c. Is it reasonable to generalize the stated conclusion to all MySpace users with a publicly accessible profile? Explain.

Short Answer

Expert verified
a. Yes, it is reasonable to generalize the stated conclusion to all 18-year-olds with a publicly accessible MySpace web profile, as a random sample was used, ensuring the sample's representativeness. b. No, it's not reasonable to generalize the stated conclusion to all 18-year-old MySpace users since the sample may not accurately represent those with private profiles, and there could be differences in posting behaviors. c. No, it's not reasonable to generalize the stated conclusion to all MySpace users with publicly accessible profiles, as the study focused only on 18-year-olds, which may not fairly represent the population of all MySpace users with publicly accessible profiles.

Step by step solution

01

a. Generalizing to all 18-year-olds with publicly accessible MySpace profiles

To determine whether it's reasonable to generalize the conclusion to all 18-year-olds with a publicly accessible MySpace web profile, we should consider the sampling method used in this study. The exercise mentioned that researchers looked at a random sample of 500 publicly accessible MySpace web profiles posted by 18-year-olds. Since a random sample was used, it can help ensure that the sample is representative of the larger population of interest, which, in this case, is 18-year-olds with a publicly accessible MySpace web profile. Therefore, it is reasonable to generalize the conclusion to this specific population of MySpace users.
02

b. Generalizing to all 18-year-old MySpace users

Since the study only focused on MySpace profiles that were publicly accessible, the sample may not accurately represent 18-year-olds who have private profiles as well. There could be differences in posting behaviors and content shared between users with public and private profiles that could impact the conclusions drawn about health risk behaviors and hobbies. Due to this limitation, it's not reasonable to generalize the conclusion to all 18-year-old MySpace users, especially those with private profiles.
03

c. Generalizing to all MySpace users with publicly accessible profiles

The study only focused on a specific age group of 18-year-olds, which may not fairly represent the population of all MySpace users with publicly accessible profiles. Different age groups may have different posting behaviors, and health risk behaviors might vary across age groups as well. Expanding the conclusions to all MySpace users with publicly accessible profiles would introduce bias since we are not accounting for these potential differences. Therefore, it's not reasonable to generalize the stated conclusion to all MySpace users with publicly accessible profiles.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Random Sampling
In research, choosing the right sampling method is crucial for yielding valid results. Random sampling is one such method where every individual in a population has an equal chance of being selected. This process helps ensure a fair representation of the population, minimizing bias. In the study discussed, 500 publicly accessible MySpace profiles of 18-year-olds were selected through a random sampling technique. This allows researchers to assume that their sample reflects the broader population of teens with public profiles. By doing so, they can draw conclusions that are likely to be applicable across all 18-year-olds in their specific sample category. However, this approach also has limitations, such as not accounting for those who choose to keep their profiles private. Despite these gaps, random sampling remains a valuable tool because it helps gather data that can reliably inform about the larger population.
Generalization
Generalization involves applying findings from a study to a broader group beyond the studied sample. While useful, it should be approached cautiously. In this context, generalization was applied to see if the research conclusions on MySpace profiles could extend to all 18-year-olds with publicly accessible profiles. Since a random sample was used, it may be reasonable to generalize the conclusions to this specific population. However, when considering applying this to all 18-year-old MySpace users, potential discrepancies arise. Users with private profiles may behave differently online, affecting how we interpret risk behaviors and sport or hobby involvement. Thus, generalizing beyond the studied sample risks overlooking these nuanced differences and might result in faulty assumptions. Therefore, researchers must always weigh the representativeness of their sample before generalizing results.
Health Risk Behaviors
The study in question examined health risk behaviors displayed on MySpace profiles. These behaviors include references to substance abuse, violence, and sexual activities. Interestingly, the study found that those who showcased engagement in sports or hobbies referenced risky behaviors less frequently. This suggests a potential inverse relationship, where active involvement could deter harmful habits. Observations like these are vital as they help understand the influence of positive activities on teenagers' online representations. Discussions around health risk behaviors are an essential part of adolescent behavioral studies. They provide insights into how young individuals perceive and exhibit risk, and can guide supportive strategies to encourage healthier lifestyle choices. This understanding aids parents, educators, and policymakers in promoting environments that minimize risk exposure while enhancing youth wellbeing.

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Most popular questions from this chapter

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