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Table 1 Descriptive data and Pearson product-moment correlations

From: A mixed-methods study of physiological reactivity to domain-specific problem solving: methodological perspectives for process-accompanying research in VET

  M ± SD, range HR RMSSD LF/HF ratio SCL SCR
r measurements/r persons r measurements/r persons r measurements/r persons r measurements/r persons r measurements/r persons
HR (bpm) 2.16 ± 6.04, [−5.19; 17.08]      
RMSSD (ms) −3.53 ± 18.46, [−51.0; 40.93] −.29**/−.14     
LFHF ratio −.21 ± .23, [−.62; .13] .15**/.38 −.22**/−.45    
SCL (µS) 2.36 ± 1.82, [−1.11; 7.0] .18**/.37 .24**/.52* .12**/.16   
SCR (µS) .06 ± .12, [−.23; .25] −.03/−.21 −.01/−.30 .05*/.29 .17**/.14  
Sex 6 male (=0), 12 female (=1) .15**/.27 −.17**/−.10 .19**/.35 .08**/.08 .18**/.34
Age (years) 27.39 ± 3.07, [24; 36] −.13**/−.19 −.01/−.02 −.13**/−.26 −.27**/−.29 −.16**/−.29
BMI (kg/m2) 22.64 ± 2.78, [18.59; 28.07] −.28**/−.48* .22**/.11 −.26**/−.46 −.26**/−.28 −.10**/−.18
Perceived stress, baseline 27.94 ± 19.26, [2; 70] .30**/.57** −.14**/.11 .05**/.01 .27**/.29 −.17**/−.41
Vocational experience (years) 3.50 ± 3.13, [0; 8] −.17**/−.31 .04*/−.08 −.22**/−.38 −.46**/−.51* −.03/−.06
General intelligence (IQ score) 112.83 ± 13, [86; 130] .19**/.28 −.14**/−.12 −.05*/−.10 .02/.02 −.05/−.13
Self-efficacy beliefs 3.04 ± .33, [2.57; 3.57] .16**/.23 −.21**/−.24 .15**/.30 −.01/−.02 −.08**/−.16
Goal elaboration and definition .25 ± .48, [0; 1.87] .20**/.34 .10**/.39 .01/.00 .02/.33 −.07**/−.25
Information seeking 13.83 ± 3.94, [6.95; 20.2] −.02/.17 .08**/.23 .04*/.11 −.01/.30 .01/.10
Information recording 3.66 ± 2.54, [0; 10.8] .08**/.18 −.02/−.16 .04*/.29 .01/.19 −.04/.16
Forecasting and planning .19 ± .28, [0; 1.03] .00/−.30 .02/−.02 −.01/−.09 −.01/−.25 .01/.02
Decision making .61 ± 1.05, [0; 3.92] −.01/−.24 .01/.04 −.03/.02 .09**/.08 .10**/.18
Performing operations 7.38 ± 3.71, [.2; 15.28] .01/−.05 −.05**/.07 −.05**/−.48* .01/−.36 −.05*/−.46
Action control and reflection .08 ± .12, [0; .37] −.04*/−.23 .00/−.09 −.01/−.26 −.02/−.42 .00/−.24
Handling software problems .45 ± .69, [0; 2.62] −.02/−.31 −.01/−.02 .01/−.15 .01/.07 .03/.30
  1. M ± SD on the basis of person-aggregated values; problem-solving activities in [min.]; baseline-corrected values for the physiological measures; frequencies of person-related 10-s measurement intervals for each parameter in brackets: HR (median = 183, Min. = 41, Max. = 186), RMSSD (median = 183, Min. = 40, Max = 186), LF/HF ratio (median = 183, Min. = 41, Max. = 186), SCL (median = 184, Min. = 127, Max. = 186), and SCR (median = 101, Min. = 21, Max. = 151); Pearson product-moment correlations on the basis of 1719 ≤ n (10-s intervals) ≤ 3226 and person-aggregated values (N = 18) (reported: r measurements/r persons), ** p < .01, * p < .05