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. Author manuscript; available in PMC: 2016 Jan 7.
Published in final edited form as: Crisis. 2015;36(4):274–280. doi: 10.1027/0227-5910/a000323

Table 1.

Pre- and posttest student knowledge using open-ended free-recall questions

Question N Pretest Mean % Correct (SD) Posttest Mean % Correct (SD) t
Total suicide-related knowledge 1,240 35.3 (18.4) 50.77 (25.3) −19.14***
Q1: Warning signs 1,239 37.6 (24.4) 52.4 (30.7) −14.79***
Q2: Response if a peer confided suicidal ideation 1,235 19.8 (22.4) 46.1 (37.0) −23.88***
Q3: Breaking confidentiality 1,239 20.5 (26.5) 25.5 (28.0) −5.03***
Q4: Resources 1,240 71.3 (39.5) 77.0 (38.0) −3.12**

Note. N = 1,365. Paired-sample t tests were used to detect pre- to posttraining change, with participants matched by a deidentified ID number on all materials. In cases where participants did not complete both the pretraining and posttraining tests, data were deleted listwise per question so that only complete, matched data were included.

*

p < .05.

**

p < .01.

***

p < .001.