Attention/graph question

[Scrapbook]

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The following question about attention from khan academy got me confused.

Question:

Figure 1: Error bars show standard error of sample mean. Conditions 4 and 9 squares displayed were significant at p < 0.05, conditions 5, 6, 7, and 8 squares displayed were significant at p < 0.01)
An experiment is conducted to test whether people who play video-games have a greater attentional capacity than non-video-game players. Two groups, video-game players (VGP) (n=13) and non-video-game players (NVGP) (n=13), are given an enumeration task. Squares of varying number were shown for 50 ms, after which the participant was required to report the number of squares apprehended. Results for the enumeration task and the percent incorrect (% error) are shown in Figure 1. What conclusions can be made about the differences in attention between video-game players
and non-video-game players?
Adapted from: Green, G. S., & Bavelier, D. (2003). Action video game modifies visual selective attention. Nature, 423, 534–537.
Please choose from one of the following options.

• NVGPs were significantly more accurate than VPGs, showing that playing video games may increase the ability in divided attention tasks.
• VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in selective attention tasks.
• NVGPs were significantly more accurate than VPGs, showing that playing video games may increase the ability in selective attention tasks.
• VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in divided attention tasks.

Hint #1
As the experiment progressed past the 4 squares condition, VGP were significantly more accurate than
Hint #4
VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in divided attention tasks.

Answer
D.

Doesn't the figure show VGPs make significantly more error past the 4 squares compared to NVGPs? What am I missing here?

Thank you

 

[aldol16]

I think Khan Academy reversed their labels. The red line should be NVGPs according to that reasoning. That, or "percent error" is not the correct label on the y-axis.

 

[Scrapbook]

I think Khan Academy reversed their labels. The red line should be NVGPs according to that reasoning. That, or "percent error" is not the correct label on the y-axis.

Yea that's what I thought too.

 

[NextStepTutor_2]

The following question about attention from khan academy got me confused.

Question:

Figure 1: Error bars show standard error of sample mean. Conditions 4 and 9 squares displayed were significant at p < 0.05, conditions 5, 6, 7, and 8 squares displayed were significant at p < 0.01)
An experiment is conducted to test whether people who play video-games have a greater attentional capacity than non-video-game players. Two groups, video-game players (VGP) (n=13) and non-video-game players (NVGP) (n=13), are given an enumeration task. Squares of varying number were shown for 50 ms, after which the participant was required to report the number of squares apprehended. Results for the enumeration task and the percent incorrect (% error) are shown in Figure 1. What conclusions can be made about the differences in attention between video-game players
and non-video-game players?
Adapted from: Green, G. S., & Bavelier, D. (2003). Action video game modifies visual selective attention. Nature, 423, 534–537.
Please choose from one of the following options.

• NVGPs were significantly more accurate than VPGs, showing that playing video games may increase the ability in divided attention tasks.
• VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in selective attention tasks.
• NVGPs were significantly more accurate than VPGs, showing that playing video games may increase the ability in selective attention tasks.
• VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in divided attention tasks.

Hint #1
As the experiment progressed past the 4 squares condition, VGP were significantly more accurate than
Hint #4
VGPs were significantly more accurate than NVPGs, showing that playing video games may increase the ability in divided attention tasks.

Answer
D.

Doesn't the figure show VGPs make significantly more error past the 4 squares compared to NVGPs? What am I missing here?

Thank you

Your thinking is spot on, the data as shown would mean that VGP made more errors as the task got more complicated. The error is on their part.

The KA passages are free, remember that. Use them as a supplement, not a foundation of practice.

Good luck!