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Table 1 Comparison between statistical data for the original and augmented samples

From: Stability of response characteristics of a Delphi panel: application of bootstrap data expansion

Survey Item Data Entries Mean 95% CI 5% Trim. Mean SD
1 Participants, n = 23 3.64 3.39–3.88 3.70 .5680
  Iterations, n = 1001 3.64 3.63–3.65 3.64 .1157
  Iterations, n = 2001 3.64 3.63–3.64 3.64 .1172
2 Participants, n = 23 3.64 3.39–3.88 3.70 .5680
  Iterations, n = 1001 3.64 3.63–3.65 3.64 .1154
  Iterations, n = 2001 3.64 3.63–3.64 3.64 .1151
3 Participants, n = 23 3.46 3.12–3.79 3.55 .7820
  Iterations, n = 1001 3.45 3.44–3.46 3.46 .1582
  Iterations, n = 2001 3.46 3.45–3.46 3.46 .1589
4 Participants, n = 23 3.26 2.99–3.53 3.29 .6190
  Iterations, n = 1001 3.26 3.26–3.27 3.27 .1257
  Iterations, n = 2001 3.26 3.25–3.26 3.26 .1276
5 Participants, n = 23 3.13 2.89–3.37 3.14 .5480
  Iterations, n = 1001 3.13 3.13–3.14 3.13 .1093
  Iterations, n = 2001 3.13 3.13–3.14 3.13 .1133
6 Participants, n = 23 3.22 2.93–3.51 3.24 .6710
  Iterations, n = 1001 3.22 3.21–3.23 3.22 .1347
  Iterations, n = 2001 3.22 3.21–3.22 3.22 .1371
7 Participants, n = 23 3.11 2.85–3.36 3.12 .5950
  Iterations, n = 1001 3.10 3.09–3.11 3.10 .1235
  Iterations, n = 2001 3.10 3.10–3.11 3.10 .1226
8 Participants, n = 23 3.14 2.81–3.46 3.20 .7570
  Iterations, n = 1001 3.14 3.13–3.14 3.14 .1505
  Iterations, n = 2001 3.14 3.13–3.14 3.14 .1569
9 Participants, n = 23 3.18 2.85–3.52 3.25 .7770
  Iterations, n = 1001 3.18 3.17–3.19 3.18 .1576
  Iterations, n = 2001 3.18 3.18–3.19 3.19 .1580
10 Participants, n = 23 3.17 2.93–3.40 3.18 .5436
  Iterations, n = 1001 3.17 2.95–3.38 3.16 .1088
  Iterations, n = 2001 3.17 2.95–3.38 3.15 .1098
11 Participants, n = 23 3.30 2.95–3.66 3.39 .8220
  Iterations, n = 1001 3.30 3.29–3.31 3.30 .1685
  Iterations, n = 2001 3.31 3.30–3.31 3.31 .1652
12 Participants, n = 23 3.09 2.74–3.43 3.14 .7930
  Iterations, n = 1001 3.09 3.08–3.10 3.09 .1600
  Iterations, n = 2001 3.09 3.08–3.10 3.09 .1583
13 Participants, n = 23 2.87 2.54–3.20 2.90 .7570
  Iterations, n = 1001 2.86 2.86–2.87 2.87 .1489
  Iterations, n = 2001 2.87 2.86–2.88 2.87 .1528
14 Participants, n = 23 2.53 2.23–2.82 2.59 .6821
  Iterations, n = 1001 2.52 2.52–2.53 2.53 .1412
  Iterations, n = 2001 2.83 2.82–2.83 2.83 .1578
15 Participants, n = 23 2.83 2.49–3.16 2.86 .7780
  Iterations, n = 1001 2.82 2.81–2.83 2.83 .1594
  Iterations, n = 2001 2.83 2.82–2.83 2.83 .1578
16 Participants, n = 23 3.23 2.91–3.54 3.25 .7340
  Iterations, n = 1001 3.23 3.22–3.24 3.23 .1495
  Iterations, n = 2001 3.23 3.22–3.23 3.23 .1490
17 Participants, n = 23 3.35 3.01–3.68 3.39 .7750
  Iterations, n = 1001 3.35 3.34–3.36 3.35 .1569
  Iterations, n = 2001 3.35 3.34–3.36 3.35 .1557
18 Participants, n = 23 3.39 3.08–3.70 3.43 .7220
  Iterations, n = 1001 3.39 3.39–3.40 3.40 .1455
  Iterations, n = 2001 3.39 3.38–3.40 3.39 .1483
19 Participants, n = 23 3.33 3.01–3.65 3.42 .7390
  Iterations, n = 1001 3.33 3.32–3.33 3.33 .1536
  Iterations, n = 2001 3.33 3.33–3.34 3.33 .1528
20 Participants, n = 23 3.57 3.28–3.85 3.63 .6620
  Iterations, n = 1001 3.57 3.56–3.58 3.57 .1318
  Iterations, n = 2001 3.56 3.56–3.57 3.56 .1355
21 Participants, n = 23 2.96 2.65–3.26 3.00 .7057
  Iterations, n = 1001 2.96 2.67–3.24 2.93 .1427
  Iterations, n = 2001 2.96 2.68–3.23 2.95 .1384
22 Participants, n = 23 3.39 3.11–3.68 3.43 .6560
  Iterations, n = 1001 3.39 3.38–3.40 3.39 .1385
  Iterations, n = 2001 3.39 3.38–3.39 3.39 .1323
23 Participants, n = 23 3.30 2.95–3.66 3.39 .8220
  Iterations, n = 1001 3.30 3.29–3.31 3.30 .1706
  Iterations, n = 2001 3.30 3.30–3.31 3.31 .1714
24 Participants, n = 23 3.39 3.18–3.61 3.38 .4990
  Iterations, n = 1001 3.39 3.39–3.40 3.39 .1024
  Iterations, n = 2001 3.39 3.39–3.40 3.39 .0986
25 Participants, n = 23 3.48 3.22–3.73 3.52 .5930
  Iterations, n = 1001 3.48 3.47–3.49 3.48 .1243
  Iterations, n = 2001 3.47 3.47–3.48 3.48 .1195
26 Participants, n = 23 2.83 2.42–3.23 2.86 .9370
  Iterations, n = 1001 2.83 2.81–2.84 2.83 .1874
  Iterations, n = 2001 2.82 2.82–2.83 2.82 .1915
27 Participants, n = 23 2.89 2.61–3.18 2.93 .6670
  Iterations, n = 1001 2.89 2.89–2.90 2.90 .1387
  Iterations, n = 2001 2.89 2.89–2.90 2.89 .1369
28 Participants, n = 23 3.26 2.91–3.61 3.34 .8100
  Iterations, n = 1001 3.26 3.25–3.27 3.27 .1744
  Iterations, n = 2001 3.26 3.25–3.26 3.26 .1675
29 Participants, n = 23 2.83 2.44–3.21 2.86 .8870
  Iterations, n = 1001 2.82 2.81–2.84 2.83 .1845
  Iterations, n = 2001 2.83 2.82–2.84 2.83 .1814
30 Participants, n = 23 3.43 3.12–3.75 3.48 .7280
  Iterations, n = 1001 3.44 3.43–3.45 3.44 .1496
  Iterations, n = 2001 3.44 3.43–3.44 3.44 .1473
31 Participants, n = 23 3.09 2.74–3.43 3.14 .7930
  Iterations, n = 1001 3.08 3.07–3.09 3.09 .1576
  Iterations, n = 2001 3.09 3.08–3.09 3.09 .1639
32 Participants, n = 23 3.06 2.75–3.36 3.11 .7050
  Iterations, n = 1001 3.05 3.04–3.06 3.05 .1500
  Iterations, n = 2001 3.05 3.05–3.06 3.06 .1428
33 Participants, n = 23 3.17 2.84–3.51 3.24 .7780
  Iterations, n = 1001 3.17 3.16–3.18 3.17 .1602
  Iterations, n = 2001 3.17 3.17–3.18 3.18 .1579
34 Participants, n = 23 3.26 2.94–3.59 3.34 .7520
  Iterations, n = 1001 3.27 3.26–3.28 3.28 .1528
  Iterations, n = 2001 3.26 3.26–3.27 3.27 .1512
35 Participants, n = 23 3.39 3.11–3.68 3.43 .6560
  Iterations, n = 1001 3.39 3.39–3.40 3.40 .1333
  Iterations, n = 2001 3.39 3.38–3.39 3.39 .1314
36 Participants, n = 23 3.06 2.85–3.26 3.06 .4740
  Iterations, n = 1001 3.06 3.05–3.07 3.06 .0991
  Iterations, n = 2001 3.06 3.05–3.06 3.06 .0972
37 Participants, n = 23 3.32 3.05–3.59 3.35 .6310
  Iterations, n = 1001 3.31 3.30–3.32 3.31 .1282
  Iterations, n = 2001 3.31 3.31–3.32 3.31 .1294
38 Participants, n = 23 2.89 2.60–3.18 2.93 .6670
  Iterations, n = 1001 2.89 2.88–2.90 2.89 .1369
  Iterations, n = 2001 2.89 2.89–2.90 2.89 .1346
39 Participants, n = 23 3.22 2.90–3.54 3.24 .7360
  Iterations, n = 1001 3.22 3.21–3.23 3.22 .1543
  Iterations, n = 2001 3.48 3.47–3.48 3.48 .1022
40 Participants, n = 23 3.48 3.16–3.79 3.53 .7300
  Iterations, n = 1001 3.48 3.47–3.49 3.48 .1519
  Iterations, n = 2001 3.48 3.47–3.48 3.48 .1465
41 Participants, n = 23 3.39 3.08–3.70 3.43 .7220
  Iterations, n = 1001 3.40 3.39–3.41 3.40 .1492
  Iterations, n = 2001 3.40 3.39–3.40 3.40 .1450
42 Participants, n = 23 3.65 3.44–3.86 3.67 .4870
  Iterations, n = 1001 3.65 3.64–3.66 3.65 .1041
  Iterations, n = 2001 3.65 3.65–3.66 3.65 .1003
43 Participants, n = 23 3.61 3.32–3.89 3.68 .6560
  Iterations, n = 1001 3.61 3.60–3.62 3.61 .1338
  Iterations, n = 2001 3.61 3.60–3.61 3.61 .1362
44 Participants, n = 23 3.61 3.39–3.82 3.62 .4990
  Iterations, n = 1001 3.61 3.60–3.62 3.61 .1020
  Iterations, n = 2001 3.61 3.60–3.61 3.61 .1036
45 Participants, n = 23 3.30 3.00–3.61 3.34 .7030
  Iterations, n = 1001 3.31 3.30–3.32 3.31 .1461
  Iterations, n = 2001 3.30 3.30–3.31 3.30 .1424
46 Participants, n = 23 3.43 3.07–3.80 3.53 .8430
  Iterations, n = 1001 3.43 3.42–3.45 3.44 .1814
  Iterations, n = 2001 3.44 3.43–3.44 3.44 .1735
47 Participants, n = 23 3.39 3.11–3.68 3.43 .6560
  Iterations, n = 1001 3.39 3.38–3.40 3.39 .1306
  Iterations, n = 2001 3.39 3.38–3.40 3.39 .1368
48 Participants, n = 23 3.48 3.26–3.70 3.48 .5110
  Iterations, n = 1001 3.48 3.47–3.48 3.48 .1037
  Iterations, n = 2001 3.48 3.47–3.48 3.48 .1022
49 Participants, n = 23 3.61 3.39–3.82 3.62 .4990
  Iterations, n = 1001 3.61 3.60–3.62 3.61 .1018
  Iterations, n = 2001 3.60 3.60–3.61 3.60 .1003
50 Participants, n = 23 3.26 2.94–3.59 3.29 .7520
  Iterations, n = 1001 3.25 3.25–3.26 3.26 .1490
  Iterations, n = 2001 3.27 3.26–3.27 3.27 .1527
51 Participants, n = 23 3.30 3.03–3.58 3.34 .6350
  Iterations, n = 1001 3.31 3.30–3.31 3.31 .1313
  Iterations, n = 2001 3.30 3.30–3.31 3.30 .1316
52 Participants, n = 23 3.39 3.11–3.68 3.43 .6560
  Iterations, n = 1001 3.39 3.38–3.40 3.39 .1336
  Iterations, n = 2001 3.39 3.39–3.40 3.39 .1325
53 Participants, n = 23 3.18 2.85–3.50 3.25 .7530
  Iterations, n = 1001 3.18 3.17–3.19 3.18 .1542
  Iterations, n = 2001 3.18 3.17–3.19 3.18 .1543
54 Participants, n = 23 3.18 2.85–3.50 3.25 .7530
  Iterations, n = 1001 3.17 3.16–3.18 3.17 .1556
  Iterations, n = 2001 3.18 3.18–3.19 3.18 .1550