1 Table S3. Relationship between sport

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1 Table S3. Relationship between sport
Table S3. Relationship between sport-specific lateral preferences and handedness.
Inclusion of ‘no
preference’
Type of
Task
preference
hand
throwing
(unilateral) fencing
holding a racket
bowling
hand
holding a cue
(bilateral) baseball batting
holding a stick
boxing stance
golfing
target shooting
archery
foot
kicking
long jump
high jump
skateboarding
rotating (vertical
rotation
axis)
Exclusion of ‘no
preference’
Overall
Male
Female
Overall
Male
Female
.836
.855
.869
.765
.732
.445
.251
.304
.292
.576
.682
.536
.187
.168
.103a
.816
.890
.861
.735
.811
.398
.184a
.426
.252
.646
.724
.428
.068ns
.186
.099ns
.857
.824
.878
.795
.657
.491
.314
.232
.332
.523
.648
.656
.299
.166a
.107ns
.841
.878
.882
.769
.750
.457
.250
.310
.295
.595
.690
.557
.181
-.178
.096a
.815
.900
.870
.735
.827
.408
.181
.427
.258
.669
.733
.431
.065ns
-.193
.073ns
.868
.853
.895
.805
.675
.504
.313
.241
.332
.536
.657
.699
.292
-.175
.109b
.021ns
.066ns
.088ns
.022ns
-.038ns
.067ns
Note: Here we categorized participants as left-handers (LS < 0) or right-handers (LS ≥ 0) and we
used these classifications to determine the relationship between sport-specific lateral preferences
and handedness (represented by phi coefficients, Φ). We calculated Φ twice to demonstrate that
inclusion or exclusion of ‘no preference’ responses results in only marginally different
relationships. The majority of relationships were significant with p < .001. To facilitate reading
the table, only non-significant relationships or significant relationships with p-values larger than
.001 are indicated as follows: ns p > .05, a p < .01, b p < .05.
Also, please note that the above relationships for exclusion of ‘no preference’ are only
marginally different to the point-biserial correlation coefficients representing the relationship
between sport-specific lateral preferences and the raw LS values obtained from the EHI (see
Table 2 in the main text).
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