Table 3.
Reconstruction Repetitions×Streamline Selection Variant |
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Model 1: Within-Session Reproducibility |
Model 2: Between-Session Reproducibility |
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Factor | F | df | p | η2 | F | df | p | η2 |
Repetitions | 2268.52 | 1, 821 | <.0001 | .0863 | 442.35 | 1, 828 | <.0001 | .0445 |
Selection Variant | 2822.28 | 2.30, 1884.41 | <.0001 | .6548 | 901.92 | 2.46, 2039.63 | <.0001 | .4157 |
Repetitions*Selection Variant | 49.49 | 2.86, 2346.96 | <.0001 | .0021 | 50.96 | 2.67, 2218.82 | <.0001 | .0043 |
Type of Head-Coil × Streamline Selection Variant |
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Model 3: Within-Session Reproducibility |
Model 4: Between-Session Reproducibility |
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Factor | F | df | p | η2 | F | df | p | η2 |
Coil | 5.88 | 1, 573 | .0153 | .0004 | 110.67 | 1, 577 | < .0001 | .0357 |
Selection Variant | 1885.70 | 2.29, 1310.40 | <.0001 | .7038 | 464.87 | 2.46, 1418.41 | < .0001 | .2931 |
Coil* Selection Variant | 2.24 | 2.84, 1625.78 | .084 | .0002 | 14.34 | 2.81, 1621.08 | < .0001 | .0029 |
Table gives the ANOVA-type statistics of the nparLD factorial models (see Section 2 and [6] for more details). Repetitions, reconstruction repetitions [1 vs 10 repetitions]; Selection Variant, streamline selection variant [endpoint_nofuzzy, endpoint_fuzzy, visiting_nofuzzy, visiting_fuzzy]; Coil, type of head-coil [12ch vs 32ch]; df, numerator and denominator degrees of freedom (separated by comma); η2, eta squared, denoting the share of total variance explained by each factor. As per convention by Cohen [14], an effect is considered small if η2≥.01, medium if η2≥.06, and large if η2≥.14.