Table 1
The descriptive statistics for the density of courses enrolled.
| CATEGORIES | n | % | MEAN | SD | MIN | MAX |
|---|---|---|---|---|---|---|
| High | 40233 | 1.8 | 16.79 | 10.15 | 10 | 160 |
| Medium | 182215 | 8.0 | 5.37 | 1.51 | 4 | 9 |
| Low | 2066111 | 90.3 | 1.31 | .59 | 1 | 3 |
| Total | 2288559 | 100.0 | 1.91 | 2.74 | 1 | 160 |
Table 2
The descriptive statistics of course activities by the density of courses enrolled.
| # OF COURSES ENROLLED | VIEWED | EXPLORED | COMPLETED | CERTIFIED | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | |
| Low | 1.21 | .48 | 1.10 | .34 | 1.08 | .31 | 1.07 | .29 |
| Medium | 3.48 | 1.71 | 1.68 | 1.01 | 1.45 | .84 | 1.42 | .79 |
| High | 10.22 | 7.44 | 3.34 | 3.40 | 2.28 | 2.11 | 2.20 | 1.95 |
Table 3
The descriptive statistics of course activities by gender.
| GENDER | VIEWED | EXPLORED | COMPLETED | CERTIFIED | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | |
| Male | 1.74 | 2.16 | 1.46 | 1.33 | 1.31 | .94 | 1.30 | .88 |
| Female | 1.46 | 1.44 | 1.26 | .84 | 1.17 | .59 | 1.16 | .56 |
Table 4
The descriptive statistics of course activities by age.
| AGE | VIEWED | EXPLORED | COMPLETED | CERTIFIED | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | |
| 16< | 1.58 | 1.95 | 1.36 | 1.18 | 1.26 | .88 | 1.24 | .81 |
| 16–30 | 1.65 | 1.93 | 1.36 | 1.10 | 1.23 | .77 | 1.22 | .72 |
| 31–45 | 1.69 | 2.13 | 1.45 | 1.34 | 1.32 | .93 | 1.31 | .89 |
| 45> | 1.76 | 2.37 | 1.55 | 1.54 | 1.40 | 1.12 | 1.37 | 1.04 |
Table 5
Pairwise comparison of course activities by ages.
| COURSE ACTIVITIES | AGE GROUP PAIRS | ||||||
|---|---|---|---|---|---|---|---|
| 16< VS 16–30 | 16< VS 31–45 | 16< VS 45> | 16–30 VS 31–45 | 16–30 VS 45> | 31–45 VS 45> | ||
| Viewed | H | –22,260,224 | –26,220,692 | –30,961,087 | –3,960,468 | –8,700,863 | –4,740,395 |
| SE | 2,156,264 | 2,196,699 | 2,281,074 | 611,553 | 867,068 | 963,234 | |
| Z | –10,324** | –11,936** | –13,573** | –6,476** | –10,035** | –4,921** | |
| Explored | H | –1,007,328 | –4,972,560 | –8,771,905 | –3,965,232 | –7,764,577 | –3,799,345 |
| SE | 999,133 | 1,010,030 | 1,027,736 | 243,672 | 308,963 | 342,567 | |
| Z | –1,008 | –4,923** | –8,535** | –16,273** | –25,131** | –11,091** | |
| Completed | H | 87,380 | –2,004,254 | –3,359,579 | –1,916,874 | –3,272,199 | –1,355,326 |
| SE | 608,938 | 135,547 | 173,072 | 613,800 | 623,162 | 189,468 | |
| Z | ,143 | –14,786** | –19,411** | –3,123* | –5,251** | –7,153** | |
| Certified | H | 240,220 | –1,919,198 | –2,995,078 | –1,678,978 | –2,754,859 | –1,075,880 |
| SE | 596,742 | 132,072 | 168,918 | 601,495 | 610,644 | 185,007 | |
| Z | ,403 | –14,531** | –17,731** | –2,791* | –4,511** | –5,815** | |
[i] *p < .05, **p < .01.
Table 6
The descriptive statistics of course activities by level of education.
| LEVELS OF EDUCATION | VIEWED | EXPLORED | COMPLETED | CERTIFIED | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | |
| Elementary (El) | 1.54 | 1.65 | 1.37 | 1.04 | 1.20 | .57 | 1.18 | .53 |
| Junior high school (Jhs) | 1.69 | 2.15 | 1.35 | 1.49 | 1.27 | 1.48 | 1.26 | 1.21 |
| High school (Hs) | 1.68 | 1.99 | 1.36 | 1.10 | 1.22 | .75 | 1.21 | .72 |
| Associate degree (A) | 1.50 | 1.68 | 1.33 | .98 | 1.21 | .63 | 1.20 | .62 |
| Bachelor’s degree (B) | 1.64 | 1.97 | 1.40 | 1.21 | 1.27 | .83 | 1.26 | .80 |
| Master’s degree (M) | 1.71 | 2.02 | 1.44 | 1.23 | 1.31 | .86 | 1.29 | .81 |
| Ph.D. (P) | 1.72 | 2.09 | 1.51 | 1.51 | 1.38 | 1.14 | 1.34 | 1.02 |
Table 7
Pairwise comparison of viewed and explored course activities by levels of education.
| EDUCATION LEVEL PAIRS | VIEWED | EXPLORED | |||||
|---|---|---|---|---|---|---|---|
| H | SE | Z | H | SE | Z | ||
| El | Jhs | –29477.962 | 4110.139 | –7.172** | –1718.284 | 1875.912 | –.916 |
| Hs | –32435.452 | 3861.320 | –8.400** | –3788.884 | 658.447 | –5.754** | |
| A | 985.247 | 4055.524 | .243 | –113.951 | 914.626 | –.125 | |
| B | 27744.222 | 3849.608 | 7.207** | –1544.498 | 676.822 | –2.282 | |
| M | –43243.064 | 3858.256 | –11.208** | –8114.637 | 789.092 | –10.284** | |
| P | –43197.276 | 4052.938 | –10.658** | –6334.838 | 660.006 | –9.598** | |
| Jhs | Hs | 2957.491 | 1587.624 | 1.863 | 2070.600 | 1774.398 | 1.167 |
| A | 30463.209 | 2014.456 | 15.122** | –1832.235 | 1884.536 | –.972 | |
| B | 1733.740 | 1558.923 | 1.112 | –173.785 | 1781.298 | –.098 | |
| M | –13765.102 | 1580.159 | –8.711** | –6396.353 | 1826.910 | –3.501** | |
| P | –13719.314 | 2009.245 | –6.828** | –4616.554 | 1774.977 | –2.601 | |
| Hs | A | 33420.700 | 1440.340 | 23.203** | –3902.835 | 682.628 | –5.717** |
| B | 4691.230 | 668.421 | 7.018** | –2244.385 | 295.852 | –7.586** | |
| M | –10807.612 | 716.553 | –15.083** | –4325.753 | 502.103 | –8.615** | |
| P | –10761.824 | 1433.043 | –7.510** | –2545.954 | 255.046 | –9.982** | |
| A | B | –28729.469 | 1408.641 | –20.395** | 1658.450 | 700.368 | 2.368 |
| M | –44228.311 | 1432.107 | –30.883** | –8228.588 | 809.379 | –10.167** | |
| P | –44182.523 | 1895.018 | –23.315** | –6448.789 | 684.132 | –9.426** | |
| B | M | –15498.842 | 650.490 | –23.826** | –6570.138 | 525.968 | –12.492** |
| P | –15453.054 | 1401.178 | –11.029** | –4790.340 | 299.305 | –16.005** | |
| M | P | –45.788 | 1424.767 | –.032 | 1779.799 | 504.145 | 3.530** |
[i] Note: El: Elementary, Jhs: Junior high school, Hs: High school, A: Associate degree.
B: Bachelor’s degree, M: Master’s degree, P: Ph.D.
* p < .05, ** p < .01.
Table 8
Pairwise comparison of completed and certified course activities by levels of education.
| EDUCATION LEVEL PAIRS | COMPLETED | CERTIFIED | |||||
|---|---|---|---|---|---|---|---|
| H | SE | Z | H | SE | Z | ||
| El | Jhs | –252.993 | 573.408 | –.441 | –357.930 | 561.103 | –.638 |
| Hs | –1189.808 | 442.004 | –2.692 | –1058.827 | 433.907 | –2.440** | |
| A | –39.317 | 451.810 | –.087 | –4.107 | 443.187 | –.009 | |
| B | –117.250 | 1149.712 | –.102 | –115.856 | 1119.453 | –.103 | |
| M | –2951.618 | 506.916 | –5.823** | –2323.201 | 497.176 | –4.673** | |
| P | –2279.822 | 441.486 | –5.164** | –2032.771 | 433.432 | –4.690** | |
| Jhs | Hs | 936.816 | 392.229 | 2.388 | 700.897 | 381.935 | 1.835 |
| A | 292.309 | 403.247 | .725 | 362.037 | 392.445 | .923 | |
| B | 135.743 | 1131.509 | .120 | 242.074 | 1100.352 | .220 | |
| M | –2698.626 | 464.156 | –5.814** | –1965.271 | 452.530 | –4.343** | |
| P | –2026.829 | 391.646 | –5.175** | –1674.841 | 381.395 | –4.391** | |
| Hs | A | –1229.125 | 170.820 | –7.195** | –1062.933 | 165.689 | –6.415** |
| B | –1072.559 | 1070.927 | –1.002 | –942.971 | 1041.256 | –.906 | |
| M | –1761.810 | 286.377 | –6.152** | –1264.374 | 279.683 | –4.521** | |
| P | –1090.014 | 141.271 | –7.716** | –973.944 | 137.482 | –7.084** | |
| A | B | 156.567 | 1075.011 | .146 | 119.962 | 1045.157 | .115 |
| M | –2990.935 | 301.291 | –9.927** | –2327.307 | 293.873 | –7.919** | |
| P | –2319.139 | 169.476 | –13.684** | –2036.877 | 164.439 | –12.387** | |
| B | M | –2834.369 | 1099.309 | –2.578 | –2207.345 | 1069.169 | –2.065 |
| P | –2162.572 | 1070.713 | –2.020 | –1916.915 | 1041.058 | –1.841 | |
| M | P | 671.797 | 285.577 | 2.352 | 290.430 | 278.944 | 1.041 |
[i] Note: El: Elementary, Jhs: Junior high school, Hs: High school, A: Associate degree,
B: Bachelor’s degree, M: Master’s degree, P: Ph.D.
*p < .05, **p < .01.
