maxmotion_nsig

   12 07 2015     0 significant results (plus 2 one-sample T-tests)

INPUT AND OUTPUT FILE(S)

| Input file(1): /mnt/data/fmri/scip/PROJECTS/scip2/groupdata/self_referential/roi_analyses/20151204_roi_analyses_a1/ACC_PCC_MPFC_borg/metafiles/3SPM_roi_self_referential_2groups_s1_metafile_04-Dec-2015.txt
| Output file : maxmotion.txt




SELECTING SUBJECTS


NaN SUBJECTS

| max_motion
| NaN subject : 31 | xss1300715 | schizo | m | 38.15742642 years





GROUP CHARACTERISTICS

| grouping variables: (1) group_name
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| (1)
| group : control (n = 15)
| mean age +/- SD : 28.256 +/- 6.074 years
| total / males / females : 15 / 11 / 4
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| (2)
| group : schizo (n = 18)
| mean age +/- SD : 30.173 +/- 7.027 years
| total / males / females : 18 / 15 / 3
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| TOTAL
| mean age +/- SD : 29.302 +/- 6.582 years
| total / males / females : 33 / 26 / 7




MEAN AND SD

| control : mean for max motion : 0.329 +/- 0.221
| schizo : mean for max motion : 0.752 +/- 0.781



max motion outliers > 3 mm | > 4 mm

| Motion outliers for group: control
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| No subjects with max_motion > 3mm
| No subjects with max_motion > 4 mm

| Motion outliers for group: schizo
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| 24
| No subjects with max_motion > 4 mm

ss_motion_3mm = [ 24]; % subs with max motion > 3 mm
ss_motion_4mm = []; % subs with max motion > 4 mm
failed to disp means in an interaction form




ONE-SAMPLE T-TESTS

| control : one-sample t-test max motion : t(14) = 5.775; p = 0.000 *
| control (n = 15) : data for max motion : mean = 0.329 +/- 0.056999 (SEM)
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| schizo : one-sample t-test max motion : t(16) = 3.967; p = 0.001 *
| schizo (n = 17) : data for max motion : mean = 0.752 +/- 0.18953 (SEM)




OUTLIERS and MISSINGS

| Outliers for group: control
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| Dixon's Q outlier for max motion : 15
| Rosner's many outlier test for max motion : 15
| Outlier for max motion : 15
| No outliers detected for max motion (when min and max removed)
| No missings detected for max motion (have value 9999)

| Outliers for group: schizo
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| Dixon's Q outlier for max motion : 24
| Rosner's many outlier test for max motion : 24
| Outlier for max motion : 24
| No outliers detected for max motion (when min and max removed)
| No missings detected for max motion (have value 9999)





All missings based on x_var value

| All missings:




ANOVA ACROSS GROUPS

| Main effect of group_name for max motion : F(1,30) = 4.0864; p = 0.05223
| control vs. schizo Tukey-Kramer: p > 0.05
| control vs. schizo LSD : p > 0.05
| control vs. schizo Bonferroni : p > 0.05
| control vs. schizo Dunn-Sidák : p > 0.05
| control vs. schizo Scheffe : p > 0.05




TWO-SAMPLES TTESTS

| control (N = 15) vs. schizo (N = 18) for max motion : t(30) = -2.0215; p = 0.05223




REGRESSION ANALYSIS - Linear

| control : regression max motion by age : F(1,14) = 0.78969 ; r = -0.23931 ; p = 0.39034
| schizo : regression max motion by age : F(1,16) = 0.20849 ; r = -0.11708 ; p = 0.6545



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| regression across all groups for max motion
| main effect group_name F(1,28) = 4.1326, p = 0.051646 (partial eta^2 = 0.96708)
| main effect age F(1,28) = 0.45437, p = 0.50579 (r = -0.078622)
| interaction effect group_name x age F(1,28) = 0.016876, p = 0.89757
MANCOVAN - added as a check for aoctool
| main effect groups F(1,28) = 2.0747, p = 0.14447
| main effect age F(1,28) = 0.23562, p = 0.79163
| interaction effect age F(2,28) = 0.016876, p = 0.89757




HIGHLY INFLUENTIAL OBSERVATIONS

| max motion
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| Cook's distance (>1) observations for control : 2
| Cook's distance (>1) observations for control : 3
| Cook's distance (>1) observations for control : 7
| Cook's distance (>1) observations for control : 14
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| Cook's distance (>1) observations for schizo : 24
| Cook's distance (>1) observations for schizo : 27
| Cook's distance (>1) observations for schizo : 30
| Cook's distance (>1) observations for schizo : 32