Table 2 |
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|
Percentages of Correct Pretest and Posttest Answers Second Year (N = 101) and First Year (N = 53) Classes |
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|
Research Concept |
Class |
Pretest |
Posttest |
|
|
Correct (95% CI) |
Correct (95% CI) |
|||
|
|
||||
|
1 |
Statistical significance |
Second Year‡ |
15.8 (8.7-23.0) |
32.7 (23.5-41.8) |
|
First Year |
15.1 (5.5-24.7) |
20.8 (9.8-31.7) |
||
|
2 |
Type II error |
Second Year‡ |
30.7 (21.7-39.7) |
54.5 (44.7-64.2) |
|
First Year |
35.8 (22.9-48.8) |
34.0 (21.2-46.7) |
||
|
3 |
Sensitivity-Specificity |
Second Year‡ |
51.5 (41.7-61.2) |
71.3 (62.5-80.1) |
|
First Year |
47.2 (33.7-60.6) |
52.8 (39.4-66.3) |
||
|
4 |
Phases of clinical trials† |
Second Year‡ |
43.6 (33.9-53.2) |
74.3 (65.7-82.8) |
|
First Year |
43.4 (30.1-56.7) |
37.7 (24.7-50.8) |
||
|
5 |
Linear regression |
Second Year |
47.5 (37.8-57.3) |
50.5 (40.7-60.2) |
|
First Year |
52.8 (39.4-66.3) |
49.1 (35.6-62.5) |
||
|
6 |
Essential parts of published research |
Second Year |
57.4 (47.8-67.1) |
53.5 (43.7-63.2) |
|
First Year |
67.9 (55.4-80.5) |
54.7 (41.3-68.1) |
||
|
7 |
Protection of human subjects |
Second Year‡ |
11.9 (5.6-18.2) |
40.6 (31.0-50.2) |
|
First Year |
13.2 (4.1-22.3) |
13.2 (4.1-22.3) |
||
|
8 |
Case-control design* |
Second Year |
3.0 (0.0-6.3) |
6.9 (2.0-11.9) |
|
First Year |
0.0 (0.0-0.0) |
3.8 (0.0-8.9) |
||
|
9 |
Interpretation of results |
Second Year |
21.8 (13.7-29.8) |
33.7 (24.4-42.9) |
|
First Year |
17.0 (6.9-27.1) |
18.9 (8.3-29.4) |
||
|
10 |
Define Bias* |
Second Year |
16.8 (9.5-24.1) |
22.8 (14.6-31) |
|
First Year |
22.6 (11.4-33.9) |
18.9 (8.3-29.4) |
||
|
11 |
Power and sample size * |
Second Year |
4.0 (0.2-7.8) |
11.9 (5.6-18.2) |
|
First Year |
15.1 (5.5-24.7) |
13.2 (4.1-22.3) |
||
|
12 |
Interpretation of descriptive statistics * |
Second Year |
35.6 (26.3-45.0) |
45.5 (35.8-55.3) |
|
First Year |
45.3 (31.9-58.7) |
37.7 (24.7-50.8) |
||
|
13 |
Chi-square statistic |
Second Year |
25.7 (17.2-34.3) |
37.6 (28.2-47.1) |
|
First Year |
32.1 (19.5-44.6) |
17.0 (6.9-27.1) |
||
|
14 |
Validity of results† |
Second Year |
68.3 (59.2-77.4) |
70.3 (61.4-79.2) |
|
First Year |
77.4 (66.1-88.6) |
71.7 (59.6-83.8) |
||
|
15 |
Positive predictive value |
Second Year‡ |
14.9 (7.9-21.8) |
34.7 (25.4-43.9) |
|
First Year |
13.2 (4.1-22.3) |
9.4 (1.6-17.3) |
||
|
16 |
Continuous variables* |
Second Year‡ |
12.9 (6.3-19.4) |
30.7 (21.7-39.7) |
|
First Year |
35.8 (22.9-48.8) |
22.6 (11.4-33.9) |
||
|
17 |
Ordinal variables* |
Second Year |
27.7 (19-36.5) |
44.6 (34.9-54.2) |
|
First Year |
24.5 (12.9-36.1) |
24.5 (12.9-36.1) |
||
|
18 |
Nominal variables* |
Second Year |
16.8 (9.5-24.1) |
30.7 (21.7-39.7) |
|
First Year‡ |
32.1 (19.5-44.6) |
9.4 (1.6-17.3) |
||
|
19 |
Research ethics |
Second Year |
28.7 (19.9-37.5) |
24.8 (16.3-33.2) |
|
First Year |
20.8 (9.8-31.7) |
22.6 (11.4-33.9) |
||
|
20 |
Sample size calculations |
Second Year |
12.9 (6.3-19.4) |
26.7 (18.1-35.4) |
|
First Year |
24.5 (12.9-36.1) |
15.1 (5.5-24.7) |
||
|
|
||||
|
* From Windish † Two possible correct answers ‡ P < 0.05 for pretest and posttest differences |
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|
Cruser et al. Osteopathic Medicine and Primary Care 2010 4:4 doi:10.1186/1750-4732-4-4 |
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