Research suggests that playing action video games might improve hand-eye coordination (Li, Chen & Chen, 2016). Researchers compared 16 participants who played video games frequently to 16 participants who rarely or never played video games on participant’s errors using a joystick to play a game. Use α = .01 2tail to evaluate the statistic. The results of the SPSS statistical analyses are below: **attached as images** a. State the hypotheses b. Show how the t was calculated using the values from the SPSS printout. c. What is Cohen’s d?

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Research suggests that playing action video games might improve hand-eye coordination (Li, Chen & Chen, 2016). Researchers compared 16 participants who played video games frequently to 16 participants who rarely or never played video games on participant’s errors using a joystick to play a game. Use α = .01 2tail to evaluate the statistic. The results of the SPSS statistical analyses are below:

**attached as images**

a. State the hypotheses

b. Show how the t was calculated using the values from the SPSS printout.

c. What is Cohen’s d?

d. Show how the 95% confidence interval was calculated.

e. State the conclusion in APA format

Independent Samples Test
Levene's Test for Equality of
Variances
t-test for Equality of Means
95% Confidence Interval of the
Difference
Mean
Std. Error
Sig.
df
Sig. (2-tailed)
Difference
Difference
Lower
Upper
Equal variances
assumed
errors
3.271
.081
-4.793
30
.000
-6.21875
1.29741
-8.86841
-3.56909
Equal variances not
assumed
-4.793
26.987
.000
-6.21875
1.29741
-8.88087
-3.55663
Transcribed Image Text:Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean Std. Error Sig. df Sig. (2-tailed) Difference Difference Lower Upper Equal variances assumed errors 3.271 .081 -4.793 30 .000 -6.21875 1.29741 -8.86841 -3.56909 Equal variances not assumed -4.793 26.987 .000 -6.21875 1.29741 -8.88087 -3.55663
Group Statistics
Std. Error
gamers_not
Mean
Std. Deviation
Mean
errors
Gamer
16
15.0000
2.99444
.74861
Non-gamer
16
21.2188
4.23859
1.05965
Transcribed Image Text:Group Statistics Std. Error gamers_not Mean Std. Deviation Mean errors Gamer 16 15.0000 2.99444 .74861 Non-gamer 16 21.2188 4.23859 1.05965
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