The authors of the paper "Popular Video Games: Quantifying the Presentation of Violence and its

Step 1: The sample of 60 games was not selected in a way that makes it reasonable to think it is

Question

The authors of the paper "Popular Video Games: Quantifying the Presentation of Violence and its Context"† investigated the relationship between video game rating—suitable for everyone (E), suitable for 13 years of age and older (T), and suitable for 17 years of age and older (M)—and the number of violent interactions per minute of play. The sample of games examined consisted of 60 video games—the 20 most popular (by sales) for each of three game systems. The researchers concluded that video games rated for older children had significantly more violent interactions per minute than did those games rated for more general audiences. (a) Do you think that the sample of 60 games was selected in a way that makes it reasonable to think it is representative of the population of all video games? No, they chose 20 games for each of the three games systems, instead of the 30 games needed for this to be representative of the population. No, the games were the 20 most popular for each of the three games systems, and therefore are not likely to be representative of the population. Yes, they chose 60 video games for each of the three video game systems, so it doesn't matter if they were representative. Yes, the most popular games tend to be representative of the population. No, they should have chosen the 20 most popular games for each rating. (b) Is it reasonable to generalize the researchers' conclusion to all video games? Explain why or why not. Yes, the sample was large enough to have been representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population. No, the sample is not likely to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population. No, the sample size was not large enough to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population. Yes, the sample was representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population.

The authors of the paper "Popular Video Games: Quantifying the Presentation of Violence and its Context"† investigated the relationship between video game rating—suitable for everyone (E), suitable for 13 years of age and older (T), and suitable for 17 years of age and older (M)—and the number of violent interactions per minute of play. The sample of games examined consisted of 60 video games—the 20 most popular (by sales) for each of three game systems.

The researchers concluded that video games rated for older children had significantly more violent interactions per minute than did those games rated for more general audiences.

(a) Do you think that the sample of 60 games was selected in a way that makes it reasonable to think it is representative of the population of all video games?
No, they chose 20 games for each of the three games systems, instead of the 30 games needed for this to be representative of the population.
No, the games were the 20 most popular for each of the three games systems, and therefore are not likely to be representative of the population.
Yes, they chose 60 video games for each of the three video game systems, so it doesn't matter if they were representative.
Yes, the most popular games tend to be representative of the population.
No, they should have chosen the 20 most popular games for each rating.

(b) Is it reasonable to generalize the researchers' conclusion to all video games? Explain why or why not.
Yes, the sample was large enough to have been representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population.
No, the sample is not likely to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population.
No, the sample size was not large enough to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population.
Yes, the sample was representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population.

The authors of the paper "Popular Video Games: Quantifying the Presentation of Violence and its Context"† investigated the relationship between video game rating—suitable for everyone (E), suitable for 13 years of age and older (T), and suitable for 17 years of age and older (M)—and the number of violent interactions per minute of play. The sample of games examined consisted of 60 video games—the 20 most popular (by sales) for each of three game systems.

The researchers concluded that video games rated for older children had significantly more violent interactions per minute than did those games rated for more general audiences.

(a) Do you think that the sample of 60 games was selected in a way that makes it reasonable to think it is representative of the population of all video games?
No, they chose 20 games for each of the three games systems, instead of the 30 games needed for this to be representative of the population.
No, the games were the 20 most popular for each of the three games systems, and therefore are not likely to be representative of the population.
Yes, they chose 60 video games for each of the three video game systems, so it doesn't matter if they were representative.
Yes, the most popular games tend to be representative of the population.
No, they should have chosen the 20 most popular games for each rating.

(b) Is it reasonable to generalize the researchers' conclusion to all video games? Explain why or why not.
Yes, the sample was large enough to have been representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population.
No, the sample is not likely to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population.
No, the sample size was not large enough to have been representative of the population and thus it would not be reasonable to generalize the researchers conclusion to the population.
Yes, the sample was representative of the population and thus it would be reasonable to generalize the researchers conclusion to the population.

Added by Alfred H.

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