Table 2. Simple and partial correlation test results. Two test variables are ones in each row (x) and ones in each column (y), and a control variable for partial correlation tests is participants’ English proficiency

	Simple correlation (n=28)		Partial correlation (n=23)
Variable x	Variable y		Variable y
			With a control variable z (English proficiency)
(w/o distractor)	VOT diff.	F0 diff.	VOT diff.	F0 diff.
VOT	–0.59	0.38	–0.65	0.34
F0	0.32	–0.35	0.19	–0.23
VOT diff.	NA	–0.57	NA	–.54
F0 diff.	–0.57	NA	–.54	NA

Bold indicates p<.05, and italic <.1.
NA, not applicable.