Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2022 Mar 8.

Published in final edited form as: Brain Inj. 2018;32(2):167–181. doi: 10.1080/02699052.2017.1291989

Table 3.

Statistical results for between group comparisons and within group comparisons on productivity measures and macrostructural measures.

	Control vs. TBI 3 months		Control vs. TBI 6 months		TBI 3 months vs. TBI 6 months
Variables	t (df = 78)	p	t (df = 78)	p	t (df = 42)	p

Productivity
Words	0.98	0.331	1.88	0.064	0.89	0.379
Utterances	1.25	0.215	1.96	0.054	0.53	0.602
Speaking time	−1.97	0.052	1.4	0.166	0.73	0.469
Words/utterance	0.65	0.520	1.12	0.266	1.04	0.305
Words/second	6.26	<0.001^*	6.78	<0.001^*	−0.49	0.961
Macrostructure
Essential steps^a	−4.4	<0.001^*	−4.41	<0.001^*	−1.55	0.146
Optional steps	5.71	<0.001^*	4.63	<0.001^*	−2.29	0.027
Low content elements^a	−2.93	0.003^*	−2.1	0.032	−1.33	0.183

^*

Significant result (within group measures p < 0.0056, between group measures p < 0.0063).

^a

z-value is presented due to the use of non parametric tests.