Cronbach’s alpha Statistics
TC
alpha_tc
##
## Reliability analysis
## Call: alpha(x = .)
##
## raw_alpha std.alpha G6(smc) average_r S/N ase mean sd median_r
## 0.84 0.86 0.86 0.61 6.3 0.016 4.9 0.29 0.58
##
## 95% confidence boundaries
## lower alpha upper
## Feldt 0.81 0.84 0.87
## Duhachek 0.81 0.84 0.87
##
## Reliability if an item is dropped:
## raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## TC1 0.79 0.82 0.82 0.61 4.6 0.023 0.052 0.50
## TC2 0.76 0.79 0.76 0.56 3.9 0.025 0.035 0.50
## TC3 0.74 0.76 0.70 0.51 3.1 0.027 0.019 0.45
## TC4 0.90 0.91 0.89 0.77 10.0 0.010 0.010 0.77
##
## Item statistics
## n raw.r std.r r.cor r.drop mean sd
## TC1 290 0.83 0.85 0.78 0.70 4.9 0.34
## TC2 290 0.87 0.89 0.87 0.76 4.9 0.33
## TC3 290 0.91 0.93 0.95 0.85 4.9 0.29
## TC4 290 0.75 0.70 0.52 0.49 4.9 0.43
##
## Non missing response frequency for each item
## 2 3 4 5 miss
## TC1 0 0.00 0.08 0.91 0
## TC2 0 0.01 0.09 0.90 0
## TC3 0 0.00 0.08 0.92 0
## TC4 0 0.03 0.08 0.89 0
DU
alpha_du
##
## Reliability analysis
## Call: alpha(x = .)
##
## raw_alpha std.alpha G6(smc) average_r S/N ase mean sd median_r
## 0.66 0.71 0.66 0.45 2.4 0.034 4.7 0.45 0.49
##
## 95% confidence boundaries
## lower alpha upper
## Feldt 0.59 0.66 0.73
## Duhachek 0.60 0.66 0.73
##
## Reliability if an item is dropped:
## raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## DU1 0.61 0.66 0.49 0.49 1.92 0.040 NA 0.49
## DU2 0.40 0.42 0.26 0.26 0.71 0.067 NA 0.26
## DU3 0.73 0.74 0.59 0.59 2.84 0.031 NA 0.59
##
## Item statistics
## n raw.r std.r r.cor r.drop mean sd
## DU1 290 0.73 0.78 0.62 0.44 4.7 0.53
## DU2 290 0.83 0.87 0.80 0.66 4.8 0.45
## DU3 290 0.81 0.74 0.51 0.41 4.6 0.72
##
## Non missing response frequency for each item
## 2 3 4 5 miss
## DU1 0.00 0.03 0.25 0.72 0
## DU2 0.00 0.02 0.14 0.84 0
## DU3 0.01 0.11 0.12 0.76 0
PV
alpha_pv
##
## Reliability analysis
## Call: alpha(x = .)
##
## raw_alpha std.alpha G6(smc) average_r S/N ase mean sd median_r
## 0.69 0.74 0.74 0.37 2.9 0.029 4.6 0.39 0.31
##
## 95% confidence boundaries
## lower alpha upper
## Feldt 0.63 0.69 0.74
## Duhachek 0.63 0.69 0.75
##
## Reliability if an item is dropped:
## raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## PV1 0.65 0.73 0.71 0.40 2.7 0.034 0.033 0.39
## PV2 0.71 0.76 0.74 0.44 3.1 0.027 0.025 0.45
## PV3 0.62 0.66 0.62 0.33 2.0 0.035 0.013 0.31
## PV4 0.61 0.64 0.60 0.31 1.8 0.037 0.013 0.26
## PV5 0.61 0.68 0.67 0.35 2.2 0.037 0.030 0.29
##
## Item statistics
## n raw.r std.r r.cor r.drop mean sd
## PV1 290 0.70 0.64 0.49 0.43 4.4 0.71
## PV2 289 0.66 0.58 0.39 0.33 4.4 0.74
## PV3 290 0.68 0.76 0.73 0.53 4.9 0.40
## PV4 290 0.72 0.80 0.77 0.59 4.9 0.40
## PV5 290 0.71 0.73 0.63 0.52 4.7 0.55
##
## Non missing response frequency for each item
## 2 3 4 5 miss
## PV1 0.00 0.12 0.33 0.55 0
## PV2 0.01 0.12 0.34 0.53 0
## PV3 0.00 0.02 0.11 0.87 0
## PV4 0.00 0.02 0.11 0.87 0
## PV5 0.00 0.04 0.21 0.74 0
NV
alpha_nv
##
## Reliability analysis
## Call: alpha(x = .)
##
## raw_alpha std.alpha G6(smc) average_r S/N ase mean sd median_r
## 0.85 0.87 0.86 0.57 6.5 0.015 4.6 0.47 0.65
##
## 95% confidence boundaries
## lower alpha upper
## Feldt 0.82 0.85 0.87
## Duhachek 0.82 0.85 0.88
##
## Reliability if an item is dropped:
## raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## NV1 0.90 0.90 0.88 0.69 8.9 0.0098 0.0033 0.67
## NV2 0.79 0.81 0.79 0.52 4.4 0.0213 0.0314 0.53
## NV3 0.79 0.81 0.79 0.52 4.3 0.0210 0.0260 0.54
## NV4 0.81 0.83 0.82 0.56 5.0 0.0188 0.0288 0.54
## NV5 0.80 0.83 0.82 0.54 4.8 0.0204 0.0402 0.54
##
## Item statistics
## n raw.r std.r r.cor r.drop mean sd
## NV1 290 0.68 0.62 0.46 0.44 4.3 0.76
## NV2 290 0.86 0.87 0.86 0.78 4.7 0.56
## NV3 290 0.86 0.88 0.87 0.77 4.7 0.56
## NV4 290 0.79 0.82 0.78 0.69 4.8 0.48
## NV5 290 0.83 0.84 0.79 0.73 4.6 0.59
##
## Non missing response frequency for each item
## 2 3 4 5 miss
## NV1 0.01 0.17 0.38 0.45 0
## NV2 0.01 0.03 0.24 0.73 0
## NV3 0.00 0.04 0.22 0.74 0
## NV4 0.00 0.03 0.13 0.84 0
## NV5 0.01 0.03 0.28 0.68 0
CS
alpha_cs
##
## Reliability analysis
## Call: alpha(x = .)
##
## raw_alpha std.alpha G6(smc) average_r S/N ase mean sd median_r
## 0.58 0.64 0.59 0.31 1.8 0.039 4.7 0.36 0.28
##
## 95% confidence boundaries
## lower alpha upper
## Feldt 0.49 0.58 0.65
## Duhachek 0.50 0.58 0.65
##
## Reliability if an item is dropped:
## raw_alpha std.alpha G6(smc) average_r S/N alpha se var.r med.r
## CS1 0.49 0.53 0.44 0.27 1.11 0.050 0.0099 0.24
## CS2 0.42 0.48 0.39 0.23 0.92 0.054 0.0053 0.20
## CS3 0.52 0.58 0.51 0.32 1.39 0.048 0.0288 0.24
## CS4 0.59 0.67 0.59 0.40 2.03 0.037 0.0098 0.38
##
## Item statistics
## n raw.r std.r r.cor r.drop mean sd
## CS1 290 0.62 0.73 0.62 0.45 4.9 0.32
## CS2 290 0.71 0.77 0.69 0.50 4.8 0.42
## CS3 290 0.77 0.68 0.50 0.38 4.6 0.72
## CS4 290 0.62 0.59 0.33 0.26 4.6 0.58
##
## Non missing response frequency for each item
## 1 2 3 4 5 miss
## CS1 0.00 0.00 0.00 0.10 0.89 0
## CS2 0.00 0.00 0.02 0.14 0.84 0
## CS3 0.01 0.01 0.04 0.19 0.74 0
## CS4 0.00 0.00 0.03 0.37 0.60 0