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Table 6 Time × group interaction and time main effects of repeated measures Puri & Sen-analysis of ranked data for working memory and divided attention test

From: Effects of exergame training combined with omega-3 fatty acids on the elderly brain: a randomized double-blind placebo-controlled trial

 

Interaction effect (time × intervention)

Main effect (time, pre vs. post)

r2

L

p

È p2

È G2

r2

L

p

È p2

È G2

Working memory

 Reaction time

0.047

1.930

.168

0.05

0.01

0.040

1.659

.202

0.04

0.01

 Errors

0.020

0.818

.372

0.02

<  0.01

0.003

0.137

.716

<  0.01

<  0.01

 Omissions

0.029

1.201

.280

0.03

0.01

0.027

1.095

.301

0.03

0.01

Divided attention

 Reaction time auditory

0.003

0.126

.727

<  0.01

<  0.01

0.067

2.727

.099

0.07

0.01

 Reaction time visual

0.011

0.447

.511

0.01

<  0.01

0.014

0.586

.451

0.01

<  0.01

 Errors

0.056

2.312

.130

0.06

0.02

0.334

13.700

<.001*

0.33

0.14

 Omissions

0.006

0.257

.618

0.01

<  0.01

0.054

2.227

.137

0.05

0.02

  1. N = 42; fish oil and exergame N = 22 and olive oil and exergame N = 20. *p < .05. ηp2: effect size. ηG2: effect size