Table 2 Subjective knowledge.
Study 1; N = 289 | Study 2; N = 265 | |||||
|---|---|---|---|---|---|---|
Measure | Pre | Post | Test statistics, P value | Pre | Post | Test statistic, P value |
None | 42 (14.5%) | 14 (4.8%) | Z = −7.98, p = 1.43−15 | 46 (17.4%) | 24 (9.1%) | Z = −8.42, p = 3.80−17 |
Some | 208 (72.0%) | 185 (64.0%) | 174 (65.7%) | 122 (46.0%) | ||
Good | 35 (12.1%) | 84 (29.1%) | 40 (15.1%) | 113 (42.6%) | ||
Heard the word DNA: | ||||||
Yes | 288 (99.7%) | 286 (99.0%) | Z = 0.00, p = 1.00 | 261 (98.5%) | 261 (98.5%) | Z = −1.73, p = 0.08 |
No | 1 (0.3%) | 1 (0.3%) | 3 (1.1%) | 0 (0.0%) | ||
Heard the word gene: | ||||||
Yes | 287 (99.3%) | 284 (98.3%) | Z = −1.00, p = 0.32 | 237 (89.4%) | 242 (91.3%) | Z = −2.32, p = 0.02 |
No | 2 (0.7%) | 3 (1.0%) | 27 (10.2%) | 18 (6.8%) | ||
Heard the word chromosome: | ||||||
Yes | 250 (86.5%) | 246 (85.1%) | Z = −0.33, p = 0.74 | 194 (73.2%) | 207 (78.1%) | Z = −3.41, p = 0.001 |
No | 38 (13.1%) | 38 (13.1%) | 69 (26.0%) | 53 (20.0%) | ||
Heard the word genome: | ||||||
Yes | 100 (34.6%) | 260 (90.0%) | Z = −12.65, p = 1.13−36 | 82 (30.9%) | 231 (87.2%) | Z = −12.09, p = 1.23−33 |
No | 185 (64.0%) | 25 (8.7%) | 181 (68.3%) | 28 (10.6%) | ||
Heard the word genome sequencing: | ||||||
Yes | 68 (23.5%) | 269 (93.1%) | Z = −14.07, p = 5.71−45 | 45 (17.0%) | 238 (89.8%) | Z = 13.68, p = 1.31−42 |
No | 216 (74.7%) | 16 (5.5%) | 218 (82.3%) | 22 (8.3%) | ||
Know what DNA means: | ||||||
Yes | 269 (93.1%) | 279 (96.5%) | Z = −3.21, p = 0.001 | 241 (90.9%) | 252 (95.1%) | Z = −2.98, p = 0.003 |
No | 20 (6.9%) | 8 (2.8%) | 23 (8.7%) | 3.4 (98.5%) | ||
Know what gene means: | ||||||
Yes | 267 (92.4%) | 276 (95.5%) | Z = −3.16, p = 0.002 | 216 (81.5%) | 231 (87.2%) | Z = −3.00, p = 0.003 |
No | 20 (6.9%) | 10 (3.5%) | 48 (18.1%) | 29 (10.9%) | ||
Know what chromosome means: | ||||||
Yes | 190 (65.7%) | 197 (68.2%) | Z = −2.31, p = 0.021 | 136 (51.3%) | 155 (58.5%) | Z = −4.04, p = 0.000053 |
No | 94 (32.5%) | 83 (28.7%) | 127 (47.9%) | 105 (39.6%) | ||
Know what genome means: | ||||||
Yes | 29 (10.0%) | 209 (72.3%) | Z = −13.42, p = 4.86−41 | 21 (7.9%) | 188 (70.9%) | Z = −12.81, p = 1.44−37 |
No | 258 (89.3%) | 71 (24.6%) | 241(90.9%) | 72 (27.2%) | ||
Know what genome sequencing means: | ||||||
Yes | 24 (8.3%) | 253 (87.9%) | Z = −15.03, p = 4.41−51 | 17 (6.4%) | 222 (83.8%) | Z = −14.25, p = 4.58−46 |
No | 262 (90.7%) | 29 (10.0%) | 245 (92.5%) | 38 (14.3%) | ||