Assessment of Prosodic Communicative Efficiency in Parkinson's Disease As Judged by Professional Listeners

Table 5

Results for 3 speaker groups: % correct identification scores and 𝑃-values resulting from  χ² test (statistically significant 𝑃-values in bold print).

Task	Elicitation method	% correct ID-score			Significance level
		CS (𝑛=18)	PD1 (𝑛=11)	PD2 (𝑛=7)	𝑃 value
Boundary Marking	Reading	92.6	92.4	86.1	0.456
	Imitation	97.1	93.1	80.6	0.004
Focus	Reading	94.4	97.0	97.2	0.645
	Imitation	98.0	98.5	81.0	<0.001*
Sentence Typing	Reading	91.7	87.9	80.6	0.188
	Imitation	96.1	90.9	78.6	0.004
Emotional Prosody	Reading	61.1	47.7	50.0	0.322
	Imitation	63.2	63.6	57.1	0.830

CS: control speaker group; PD1: Parkinson's disease speaker group with mild dysarthria; PD2: Parkinson's disease speaker group with moderate or severe dysarthria;   *: Cases where conditions for a valid   χ² test were not met and Fisher's exact test was used instead.