(syllables per second)
Note. SE = standard error.
There was no significant main effect for age, F (4, 57) = 1.06, p = .385. There was a significant main effect for sentence length, F (5, 285) = 105.02, p < .001. There was no significant interaction effect for Age × Sentence Length, F (20, 285) = 0.83, p = .681.
In general, speech rate significantly increased with each sentence length. The only pairwise comparisons that were not significant were the contrasts between four-word sentences and five-word sentences and between five-word sentences and six-word sentences.
There was no significant main effect for age, F (4, 57) = 1.22, p = .311. There was a significant main effect for sentence length, F (5, 285) = 100.07, p < .001. There was no significant interaction effect for Age × Sentence Length, F (20, 285) = 0.92, p = .557.
In general, articulation rate significantly increased with each sentence length. The only pairwise comparisons that were not significant were the contrasts between four-word sentences and five-word sentences and between five-word sentences and six-word sentences.
There was no significant main effect for age, F (4, 57) = 0.85, p = .50. There was a significant main effect for sentence length, F (5, 285) = 3.83, p = .002, and a significant interaction effect for Age × Sentence Length, F (20, 285) = 2.51, p < .001.
Participants spent a significantly longer amount of time pausing during two-word sentences than during four-, five-, and seven-word sentences. This effect appears to be primarily driven by the 12-year-olds. The 12-year-olds spent a significantly greater proportion of the sentence pausing during two-word sentences than during any other sentence length, two-word versus three-word sentences, t (285) = 4.80, p = .001; two-word versus four-word sentences, t (285) = 5.44, p < .001; two-word versus five-word sentences, t (285) = 5.58, p < .001; two-word versus six-word sentences, t (285) = 4.92, p < .001; two-word versus seven-word sentences, t (285) = 4.84, p < .001. The 12-year-olds also spent a significantly greater proportion of the sentence pausing during two-word sentences ( M = 0.03, SD = 0.08) than 10-year-olds spent pausing during two-word sentences ( M = 0, SD = 0; t (285) = −4.93, p < .001).
The primary purpose of this study was to examine the effect of sentence length on speech rate and its characteristics, articulation rate and pauses, in typically developing children between the ages of 10 and 14 years. Based on our findings, sentence length significantly impacts speech rate. Speech rate significantly increased with increases in sentence length. This effect was primarily driven by increased articulation rate and not by increased pause time.
The literature regarding the impact of cognitive–linguistic load on articulation rate in typical development is highly variable due to the differences in the way in which cognitive–linguistic load has been manipulated. The majority of studies that have examined the impact of sentence length on articulation rate have done so within spontaneous speech tasks ( Haselager et al., 1991 ; Logan et al., 2011 ; Walker & Archibald, 2006 ; Walker et al., 1992 ). The major limitation to this method is that the number of sentences at each length is not controlled and there may not have be enough variety in sentence length to adequately examine the question. Hence, studies that ran correlations between articulation rate and utterance length within spontaneous speech samples did not find any relationship between the two variables ( Logan et al., 2011 ; Walker & Archibald, 2006 ; Walker et al., 1992 ). However, when systematically separating and comparing short (two to four syllables) versus long (eight or more syllables) utterances within spontaneous speech samples, Haselager et al. (1991) found increases in articulation rate with longer sentences similar to our study.
The current study manipulated cognitive–linguistic load by systematically varying sentence length within a sentence repetition task. To our knowledge, only one other study used a similar methodology to examine cognitive–linguistic load in older typically developing children. Sadagopan and Smith (2008) reported decreased speech rate in 10-word sentences as compared to four-word sentences. However, this study did not examine articulation rate and pause time making it difficult to directly compare the data. One possibility for the discrepant results is that articulation rate may increase with longer sentences until an inflection point and then decrease again, creating a “u-shape” effect of sentence length. Future work should examine speech rate and its component parts, articulation rate, and pause time across an even broader range of sentence lengths to test this hypothesis.
Interestingly, sentence length effects differentially impacted articulation rate and pause time. Based on these data, it appears that articulation rate may be more sensitive to cognitive–linguistic load than pause time. Pause time was significantly longer in two-word sentences when compared with several other sentence lengths, but pause time did not significantly change across any other sentence lengths. The pausing behavior in two-word sentences was primarily attributed to the performance of the 12-year-olds and will be discussed further in a later paragraph. The lack of change in pause time with longer sentences was surprising given that previous literature suggests that pause time consistently increases with cognitive–linguistic load ( Darling-White et al., 2018 ; Greene, 1984 ; Greene & Cappella, 1986 ; Mitchell et al., 1996 ; Nip & Green, 2013 ). However, most of this literature involved extemporaneous speech tasks, which provide a higher cognitive–linguistic load than sentence repetition. The only study that utilized a similar methodology, Darling-White et al. (2018) , examined this phenomenon in young children with cerebral palsy, so we are unable to directly compare our results. Future work could continue to use a sentence repetition task, but increase cognitive–linguistic load by taking the text away and forcing older children to rely on their working memory to produce the sentences or by increasing the complexity of the sentences to determine if increasing cognitive–linguistic load in this type of task would alter pause time.
This study also examined effects of age on speech rate and its characteristics, articulation rate and pause time, to ensure changes with sentence length could not be explained by age. Consistent with the literature indicating that speech rate is considered approximately adultlike around 12 or 13 years of age ( Nip & Green, 2013 ; Walsh & Smith, 2002 ), there were no age-related differences between the ages of 10 and 14 years. Additionally, we did not find compelling evidence for an interaction between sentence length effects and age. There were some significant interaction effects found during two-word sentences for 12-year-olds. The 12-year-olds paused for a significantly longer proportion of time during two-word sentences than any other sentence length. The 12-year-olds also paused for a significantly longer proportion of time during two-word sentences than 10-year-olds producing two-word sentences. This could have been a product of the fact that the 12-year-old group had the smallest number of participants ( n = 10). It is possible this effect may disappear if a larger number of 12-year-olds are studied. The only other study we could find that examined the interaction between utterance length and age in typically developing children near our age range did so in spontaneous speech and similarly found no interaction effects ( Haselager et al., 1991 ).
The primary limitation of this study is the use of the adult model during the sentence repetition task. It is possible that the adult model influenced the articulation rates and pause times chosen by the children. This is an inherent problem with any speech production task that relies on repetition or imitation. Based on t tests with a significance level of .05, children in the current study spoke with a faster articulation rate and spent more time pausing at each sentence length than the adult model. Our results also support those of Haselager et al. (1991) , which used a spontaneous speech sample, not a sentence repetition task. Given that children did not directly copy the adult model and that our results support previous work from a different laboratory, it is unlikely that the adult model unduly influenced the behavior of the children in this study. However, future work on this topic should examine the impact of sentence length on speech rate in speech tasks that do not require an adult model to produce.
Clinically, this study provides normative data regarding speech rate performance during a sentence repetition task in typically developing children at every age between 10 and 14 years. Normative data are invaluable when interpreting the performance of a child with speech motor involvement within the appropriate developmental context. For example, the finding that older typically developing children do not produce many pauses regardless of sentence length during sentence repetition tasks, like the TOCS+, could be useful for differential diagnosis. Identifying speech motor involvement in children can be difficult, especially if intelligibility is relatively unimpaired. However, inappropriate pause patterns are a hallmark characteristic of speech motor involvement (e.g., Yorkston et al., 2010 ). If a speech-language pathologist is evaluating a child between the ages of 10 and 14 years, they should expect that child to pause infrequently during the TOCS+ regardless of sentence length based on these data. Thus, if an older child produces numerous pauses during the TOCS+ , particularly with increased sentence lengths, the speech-language pathologist can be relatively confident that the child is not typically developing.
This is the first study to suggest that sentence length differentially impacts the component parts of speech rate, articulation rate and pause time. Increases in sentence length led to increases in speech rate, primarily due to increases in articulation rate and not increases in pause time. Articulation rate appears to be highly sensitive to the impact of sentence length, while a higher cognitive–linguistic load may be required to see sentence length effects on pause time. Given the differential impact of cognitive–linguistic load on the component parts of speech rate, it is imperative that future work examining the relationship between speech rate and cognitive–linguistic load continue to analyze articulation rate and pause time separately.
Research reported in this publication was supported by Grant R03DC015607, awarded to the first author (Darling-White), from the National Institute on Deafness and other Communication Disorders of the National Institutes of Health. The content is solely the responsibility of the authors and does not necessarily reflect the official views of the National Institutes of Health. The authors would like to thank the children and their families who participated in this research as well as the graduate and undergraduate students at The University of Arizona who assisted with data collection and analysis.
Research reported in this publication was supported by Grant R03DC015607, awarded to the first author (Darling-White), from the National Institute on Deafness and other Communication Disorders of the National Institutes of Health. The content is solely the responsibility of the authors and does not necessarily reflect the official views of the National Institutes of Health.
Causes of abnormal speech.
Interpretation.
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Slow speech is usually regarded as less than 110 wpm, or words per minute. Conversational speech generally falls between 120 wpm at the slow end, to 160 - 200 wpm in the fast range. People who read books for radio or podcasts are often asked to speak at 150-160 wpm. Auctioneers or commentators who practice speed speech are usually in the 250 to ...
Average speech rates. Presentations: between 100-150 wpm for a comfortable pace. Conversational: between 120-150 wpm. Audiobooks: between 150-160 wpm, which is the upper range that people comfortably hear and vocalize words. Radio hosts and podcasters: between 150-160 wpm. Auctioneers: can speak at about 250 wpm.
According to The National Center for Voice and Speech, the average speaking rate for English speakers in the U.S. is around 150 words per minute. In a public speaking situation, you'll want to speak slower than average, around 125-150 words per minute. One of the ways to control your rate of speech is to make sure you are taking enough breaths.
The accepted ideal speechrate is 140-160 words per minute. You must think about getting the facts to your listeners. If they can't comprehend what you're saying due to speaking fast, they will most likely lose interest in your speech. A slower rate is much more preferred than a faster one.
For these 9 talks, the average speaking rate is 163 words per minute. Two thirds of the talks are clustered in a narrow range between 153 and 168 words per minute. Remember that this average and range do not necessarily apply to all speaking situations. One can also calculate the speaking rate for the 9 TED talks in syllables per minute, and ...
Speech rate is simply the speed at which you speak. It's calculated in the number of words spoken in a minute (wpm.) Speech rate guidelines: Slow: less than 110 wpm. Conversational: between 120 wpm and 150 wpm. Fast: more than 160 wpm. Radio hosts and podcasters speak at 150-160 wpm. Auctioneers and commentators speak between 250 to 400 wpm.
A good rate of speech ranges between 140 -160 words per minute (wpm). A rate higher than 160 words per minute can be difficult for the listener to absorb the material. There may be some areas of the country that speak at faster rates but a slower rate is preferable. Too slow of a rate may give the listener the perception of slow thinking ...
Speaking rate is important in communication. Here's why: 1. Understanding: If you talk too fast, people might not understand you. If you talk too slowly, they might get bored. 2. Clarity: Speaking at the right speed helps people understand you better. 3. Engagement: The right pace keeps people interested in what you're saying.
Rate of speech, also known as speaking rate or tempo, refers to the speed at which you speak, measured in words per minute (wpm).It plays a crucial role in effective communication, impacting comprehension, engagement, and overall delivery in various contexts, including public speaking.While speech coaches can offer personalized guidance, public speaking courses can also provide valuable ...
Speech that is too fast will often be harder to understand than speech that is spoken at a more moderate rate. This is particularly true when one's speech is difficult to understand at a moderate rate; just speeding up the rate of speech will not necessarily solve the problem. 1 On the contrary, it may make one's speech even harder to ...
If you aren't comfortable reading this passage, choose any chunk of text that is 200 words long. To read at a rate of 150 words per minute, you should finish the passage in 1 minute, 20 seconds. 200 words per minute should, obviously, take you one minute, and a rate of 250 words per minute should take you about 48 seconds.
Note what changes you made and why. 3. Experiment with one of your own speeches. Record and time yourself delivering a speech of your own at your current 'normal' speaking rate. Note the time down. Now go through again having marked passages for slower or faster treatment. Note the new time and your new insights. 4.
Many people have expectations and assumptions about different speech rates within English dialects. For example, there's the often-observed "drawl" of those living in the U.S. South. The term drawl denotes a slower, drawn-out speaking pace. ... And auctioneers have a constant rate of articulation - meaning they rarely stop talking.
Read one or two pages of a prepared (scripted) speech or presentation out loud and time yourself for a minute. Count the words you read and divide it by 60 to get your average wpm. A constant rate of speech almost always accompanies a dull, monotone speaking voice. Using an unvarying speed and pitch works great for a hypnotist ("you are ...
Tone and Tone of Voice in American English. Let's talk about the meaning of the word "tone" in English. When you hear people talk about the word "tone" when they're speaking English, they're usually referring to your tone of voice. In other words, "tone" is the short way to talk about your tone of voice.
Vocal delivery includes these aspects of speech: Rate of speech refers to how fast or slow you speak. You must speak slowly enough to be understood but not so slowly that you sound unnatural and bore your audience. In addition, you can vary your rate, speeding up or slowing down to increase tension, emphasize a point, or create a dramatic effect.
C2 is the highest assessment of all 6 CEFR levels. At this level, you can understand the vast majority of English, spoken or written, that you encounter. Though you may make rare errors, your proficiency is near or equal to that of a native English speaker. You can understand the finer nuances of tone, pacing, and word choice, even in complex ...
Vocal delivery includes components of speech delivery that relate to your voice. These include rate, volume, pitch, articulation, pronunciation, and fluency. Our voice is important to consider when delivering our speech for two main reasons. First, vocal delivery can help us engage and interest the audience. Second, vocal delivery helps ensure ...
Speech rate is the product of the rate in which our articulators move to produce an utterance (i.e., articulation rate) plus pause time. ... Participants were included in this study if they were fluent speakers of American English and had no speech, language, learning, or hearing problems per parent report. Prior to data collection, legal ...
Speech rate is the speed of one's articulation, including usually the pause time between sentences or between thought groups. There are several means for measuring speech rate; the most popular means calculates total words or syllables uttered per minute. However, determining a normal speech rate for a language can be rather complicated because ...
Speech tempo is a measure of the number of speech units of a given type produced within a given amount of time. Speech tempo is believed to vary within the speech of one person according to contextual and emotional factors, between speakers and also between different languages and dialects. However, there are many problems involved in ...
Interpretation. Slow speech (bradylalia) Depression, Parkinson's disease, cognitive impairment. Normal speech rate. Rapid speech (tachylalia) - fast speech but able to be redirected Normal, mania, anxiety, stimulants. Pressured speech - fast and without taking breaks, talking over other people and unable to be redirected Mania, anxiety.
Oxford's English dictionaries are widely regarded as the world's most authoritative sources on current English.This dictionary is regularly updated with evidence from one of the world's largest lexical research programmes, and features over 350,000 words and phrases.The coverage spans forms of the English language from across the English ...
Your brain is an essential organ. All of your emotions, sensations, aspirations and everything that makes you uniquely individual come from your brain. This complex organ has many functions. It receives, processes and interprets information. Your brain also stores memories and controls your movements.
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