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Table 4. 
Retention Interval Features as Predictors of Memory Performance
 Icelandic % ChangeShort Story % Change
n = 24n = 20
rprp
Thought probe responses 
 External task-unrelated thought .297 .159 .075 .754 
 Internal task-unrelated thought −.489 .015* −.220 .352 
 External task-related thought .447 .029* .189 .424 
 Internal task-related thought −.057 .792 −.041 .865 
 Mind blank −.131 .540 .206 .382 
  
EEG spectral power 
 Beta (13–35 Hz) .254 .232 .202 .393 
 Alpha (8–12 Hz) .062 .773 .357 .123 
 Theta (4–7 Hz) .092 .669 −.293 .210 
 Delta (1–4 Hz) −.052 .808 −.387 .092 
 Slow oscillation (0.3–1 Hz) −.025 .907 −.328 .158 
  
SART RT −.118 .582 .141 .565 
Pupil diameter −.019 .929 .258 .272 
MAAS −.016 .942 .207 .382 
Daydream frequency −.375* .038* .027 .892 
Offline probability −.119 .580 .305 .191 
 Icelandic % ChangeShort Story % Change
n = 24n = 20
rprp
Thought probe responses 
 External task-unrelated thought .297 .159 .075 .754 
 Internal task-unrelated thought −.489 .015* −.220 .352 
 External task-related thought .447 .029* .189 .424 
 Internal task-related thought −.057 .792 −.041 .865 
 Mind blank −.131 .540 .206 .382 
  
EEG spectral power 
 Beta (13–35 Hz) .254 .232 .202 .393 
 Alpha (8–12 Hz) .062 .773 .357 .123 
 Theta (4–7 Hz) .092 .669 −.293 .210 
 Delta (1–4 Hz) −.052 .808 −.387 .092 
 Slow oscillation (0.3–1 Hz) −.025 .907 −.328 .158 
  
SART RT −.118 .582 .141 .565 
Pupil diameter −.019 .929 .258 .272 
MAAS −.016 .942 .207 .382 
Daydream frequency −.375* .038* .027 .892 
Offline probability −.119 .580 .305 .191 

In this table, Pearson's correlations between memory performance and features of the retention interval are shown. MAAS = Mindfulness Attention and Awareness Scale; Daydream frequency score = total score from the daydream frequency subscale of the Imaginal Processes Inventory. Boldface highlights statistically significant values.

*

p < .05.

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