Table 2 Subjective knowledge.

From: Development and mixed-methods evaluation of an online animation for young people about genome sequencing

 

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%)

 
  1. In some cases there is missing data, therefore numbers may not add up to 289 or 265 (100%). Subjective knowledge scores were compared using the Wilcoxon Signed Ranks Test
  2. Note: p values in bold indicate significance over 0.05