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 |