The impact of writing on academic performance for medical students

BMC Medical Education

Table 4 Multiple regression analysis of writing scores and performance on transfer type items

Independent variables	β	SE	t	P	95% CI
Independent variables	β	SE	t	P	Upper	Lower
Summary writing (SW) group
Age	−1.82	0.63	−2.92	0.007**	−3.099	−0.548
Gender	1.16	1.26	0.92	0.363	−1.40	3.719
Writing scores	0.29	0.35	0.91	0.372	−0.357	0.927
Constant	39.41	12.46	3.16	0.003**	14.0	64.826
Argumentative writing (AW) group
Age	1.52	1.31	1.16	0.256	−1.153	4.184
Gender	1.06	1.04	1.02	0.316	−1.065	3.19
Writing scores	1.15	0.31	3.72	0.001***	0.521	1.787
Constant	−32.65	25.6	−1.28	0.211	−84.856	19.554

β is a dimensional parameter vector that is known as effects or regression coefficient. SE is an abbreviation of standard error. t (also known as t-statistic) is abbreviated from hypothesis test statistic. P (also known as p-value) means statistical significance in the probability. ^*P < 0.05, ^**P < 0.01, ^***P < 0.001

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