Paired Samples T-Test

Paired Samples T-Test
										95% Confidence Interval
			statistic		±%	df	p	Mean difference	SE difference	Lower	Upper	Cohen's d
L8 Accuracy Random	L3 Accuracy Random	Student's t	5.590			29.0	< .001	0.1674	0.0299	0.1062	0.2286	1.0206
		Bayes factor₁₀	4044.943		8.35e-9
		Wilcoxon W	446				< .001	0.1480	0.0299	0.1020	0.2115	1.0206
L8 Accuracy Fixed	L3 Accuracy Fixed	Student's t	6.885			29.0	< .001	0.1817	0.0264	0.1277	0.2357	1.2569
		Bayes factor₁₀	105892.122		4.07e-10
		Wilcoxon W	465				< .001	0.1675	0.0264	0.1130	0.2400	1.2569
Fixed Interval Blink Magnitude	Random Interval Blink Magnitude	Student's t	0.486			29.0	0.631	0.0144	0.0296	-0.0461	0.0748	0.0887
		Bayes factor₁₀	0.217		7.35e-5
		Wilcoxon W	268				0.472	0.0225	0.0296	-0.0389	0.0755	0.0887
T1 Accuracy percent fixed	T1 Accuracy percent random	Student's t	0.390			29.0	0.699	1.0556	2.7046	-4.4759	6.5870	0.0713
		Bayes factor₁₀	0.209		9.25e-5
		Wilcoxon W	169	ᵃ			0.869	-4.72e−4	2.7046	-4.1670	3.3341	0.0713
ᵃ 4 pair(s) of values were tied

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Tests of Normality
			statistic	p
L8 Accuracy Random	L3 Accuracy Random	Shapiro-Wilk	0.915	0.020
		Kolmogorov-Smirnov	0.1246	0.694
		Anderson-Darling	0.744	0.047
L8 Accuracy Fixed	L3 Accuracy Fixed	Shapiro-Wilk	0.909	0.014
		Kolmogorov-Smirnov	0.1406	0.594
		Anderson-Darling	0.914	0.017
Fixed Interval Blink Magnitude	Random Interval Blink Magnitude	Shapiro-Wilk	0.974	0.663
		Kolmogorov-Smirnov	0.0857	0.980
		Anderson-Darling	0.285	0.604
T1 Accuracy percent fixed	T1 Accuracy percent random	Shapiro-Wilk	0.794	< .001
		Kolmogorov-Smirnov	0.2116	0.136
		Anderson-Darling	1.971	< .001

Descriptives
	N	Mean	Median	SD	SE
L8 Accuracy Random	30	0.919	0.964	0.0970	0.0177
L3 Accuracy Random	30	0.752	0.762	0.1738	0.0317
L8 Accuracy Fixed	30	0.906	0.931	0.0811	0.0148
L3 Accuracy Fixed	30	0.724	0.755	0.1653	0.0302
Fixed Interval Blink Magnitude	30	0.182	0.142	0.1447	0.0264
Random Interval Blink Magnitude	30	0.168	0.164	0.1639	0.0299
T1 Accuracy percent fixed	30	88.278	89.166	10.2411	1.8698
T1 Accuracy percent random	30	87.222	88.333	11.0409	2.0158

Plots

L8 Accuracy Random - L3 Accuracy Random

L8 Accuracy Fixed - L3 Accuracy Fixed

Fixed Interval Blink Magnitude - Random Interval Blink Magnitude

T1 Accuracy percent fixed - T1 Accuracy percent random

Repeated Measures ANOVA

Within Subjects Effects
	Sum of Squares	df	Mean Square	F	p	η²_p
ITI	0.00310	1	0.00310	0.256	0.617	0.009
ITI ✻ Trial Order	0.04219	1	0.04219	3.493	0.072	0.111
Residual	0.33819	28	0.01208
Note. Type 3 Sums of Squares

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Between Subjects Effects
	Sum of Squares	df	Mean Square	F	p	η²_p
Trial Order	0.0577	1	0.0577	1.70	0.202	0.057
Residual	0.9480	28	0.0339
Note. Type 3 Sums of Squares

Estimated Marginal Means

Trial Order ✻ ITI

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References

[1] The jamovi project (2019). jamovi. (Version 1.1) [Computer Software]. Retrieved from https://www.jamovi.org.

[2] R Core Team (2018). R: A Language and envionment for statistical computing. [Computer software]. Retrieved from https://cran.r-project.org/.

[3] Morey, R. D., & Rouder, J. N. (2018). BayesFactor: Computation of Bayes Factors for Common Designs. [R package]. Retrieved from https://cran.r-project.org/package=BayesFactor.

[4] Rouder, J. N., Speckman, P. L., Sun, D., Morey, R. D., & Iverson, G. (2009). Bayesian t tests for accepting and rejecting the null hypothesis. Psychonomic Bulletin & Review, 16, 225-237.

[5] Singmann, H. (2018). afex: Analysis of Factorial Experiments. [R package]. Retrieved from https://cran.r-project.org/package=afex.

[6] Lenth, R. (2018). emmeans: Estimated Marginal Means, aka Least-Squares Means. [R package]. Retrieved from https://cran.r-project.org/package=emmeans.