Krijnen, Wim

Luinge, Margreet

Reijneveld, S.A.

van der Schans, Cees

Visser Bochane, Margot

Hanze UAS repository

MokkenprocedureMokkenprocedure Problems in speech language development are common in children (Bishop et al. 2016 PLoS ONE 11(7) ).  To measure speech language development, we need to identify clinical signs that reflect the underlying construct.  The construct is under debate regarding unidimensionality versus multidimensionality (Tomblin & Zhang, 2006 J Sp Lang Hear Res 49).  The aim of this study is to construct a scale with characteristics of speech language development and social interaction for children aged 1 to 6, and to evaluate its scalability, and associated with this its dimensionality.Introduction We constructed a unidimensional scale of 38 items to measure speech language development in children from 1 to 6 years of age.  The latent trait ‘speech language development’ consists of items on speech (intelligibility) and language (semantics, syntax, and pragmatics). All items are related to the construct, and can contribute to the measurement of speech language development. Most items on interaction (13 out of 15) did not fit the unidimensional construct. Interaction can be a condition to develop language, moreover removed items may discriminate in younger children than our study sample. Which clinical signs are valid indicators for speech language disorder?Contact: Margot Visser-Bochanem.i.visser-bochane@pl.hanze.nlMargot I. Visser-Bochane1, Sijmen A. Reijneveld2, Wim P. Krijnen1,3, Cees P. van der Schans1,4, Margreet R. Luinge1,51 Hanze University of Applied Sciences, Research Group Healthy Ageing, Allied Health Care and Nursing, Groningen, the Netherlands2 University of Groningen, University Medical Center Groningen, Department of Health Sciences, Groningen, the Netherlands3 University of Groningen, Faculty of Mathematics and Natural Sciences, Groningen, the Netherlands4 University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands5 University of Groningen, University Medical Center Groningen, Department of Otorhinolaryngology, Head & Neck surgery, Groningen, the NetherlandsDiscussion and ConclusionsSample and procedure Population sample (n=1175; 603 boys and 572 girls equally distributed over 5 age groups) parents of children from 1-6 years of age 53-items via telephone conversation Administration by trained students Item Response Theory (IRT) analysis (Mokken) in R v3.2.3 Package MokkenScalabilityAssessment of dimensionality viaAutomatic item selection procedureFigure 1: ICCs ascendingMonotonicityAssessment if items are monotone positively related to the latent trait Figure 1: ICCs S-shapedNon intersectionAssessment if items do not intersectBackward selection of itemsFigure 1: ICC’s do not intersectScalabilityItems removed: 75 items were not scalable 2 items belonging to scale 2MonotonicityItems removed: 0Non intersectionItems removed: 8Crit values > 80Remaining itemsThe 38 remaining items belonging to scale 1 have ItemH coefficients between 0,62 and 0,91, which indicates strong scalability. The total scale H = 0,82, which indicates a strong scale. The items have a mean score between 0,35 and 1. The mean score concerns the proportion of ‘yes’ answers on an item.Table 1: Mean score and itemH for remaining itemsFigure 1. Item Characteristic Curves of the remaining 38 items. Notes: The y-axis denotes to the probability, this is the likelihood that a child scores a ‘yes’ on an item. The x-axis denotes to the ability, this is the latent trait value, in our case: speech language development. Els Remaining items Mean ItemH1 els4 Does your child understand you when you say 'no'? 1.00 0.812 els6 Does your child say any 'words'? For example: 'mama', 'papa', cookie'? It doesn't have to be pronounced correctly. 0.99 0.843 els11 When you play with your child, with a ball for example, does your child have attention for you and the ball? 0.99 0.624 els2 Does  your child understand tasks consisting of two words? For example: 'coat on' or  'look there' 0.99 0.915 els18 Does your child understand 3 word sentences? For example: 'on the chair' or 'to the hallway'? 0.98 0.866 els19 Does your child understand when you ask him/her something? For example: 'Shall we read a book together?' 0.98 0.897 els3 Can your child point out something you ask them to? For example: 'where is your nose?' or 'where is the ball?' 0.98 0.908 els7 Can your child say about ten words in total? 0.94 0.879 els29 Do you understand about half of the things your child says? 0.93 0.8310 els17 Is your child able to point 5 pictures in a book when they are verbally offered to him/her? 0.93 0.8611 els20 Is your child able to point out 6 body parts on a doll/themselves? Where are the eyes, mouth, tummy, foot, hair, hand? 0.92 0.8412 els68 Is your child able to clarify what he/she wants to say or ask? 0.90 0.6813 els27 Does your child ask you when he/she wants to have some food, or wants to play with toys? 0.89 0.8114 els22 Is your child able to combine two words? For example: 'daddy ball' or 'look cat' ? 0.89 0.8715 els33 Do you understand about 75% of what your child is telling you? 0.89 0.7516 els37 Can your child name four or more pictures of animals? For example : 'dog' , 'cat', 'horse', 'cow' 0.89 0.8617 els25 Does your child say more than 30 words? 0.86 0.8718 els28 Is your child able to talk with you in turns? 0.86 0.7019 els69 Is your child able to initiate a conversation? 0.85 0.7520 els24 Are the words in the sentences of your child mostly in the right place? 0.81 0.7821 els44 Does your child ask questions about 'who', what', where', 'how'? For example : 'Where's my teddybear?' 0.80 0.8422 els26 Is your child able to ask a question? For example: 'What's that?' or 'who's that?' 0.80 0.8523 els21 Does your child call themselves 'me' or 'I' ? 0.80 0.7624 els43 Does your child ever spontaneously tell you a story? For example, about what they did that day. 0.79 0.7825 els38 Does your child uses words that say something about other words (adjectives)? For example, 'big' in 'a big house' 0.78 0.8326 els42 Does your child use four word sentences? For example : 'I put in bowl' or 'can I build blocks?' 0.77 0.8827 els23 Is your child able to name a couple of colours correctly? 0.76 0.8428 els57 Can your child retell a story with the help of pictures? For example when reading a book together. 0.75 0.8229 els35 Does your child use words like 'we', 'he', and 'she' in a sentence? For example: 'He is really happy' 0.68 0.8730 els67 Is your child able to express his/her thoughts verbally? 0.65 0.7831 els34 Does your child make sentences with words like 'when' or 'and'?  For example : 'when we have finished dinner, we are going to play with clay' or 'they put their coat on and they put their shoes on' 0.64 0.8632 els54 Does your child ask questions beginning with 'why'? 0.64 0.8533 els63 Does your child make very long sentences? For example: 'When I grow up, I want to be a cook'. 0.57 0.8634 els39 Does your child use the proper plural form? For example feet instead of foots 0.57 0.8135 els49 Can your child complete the following sentences: Not black but…. Not high but…. 0.54 0.8236 els66 Does your child make sentences with 'because'? 0.47 0.8537 els40 Does your child use the correct form of the past? For example: 'went' instead of 'goes' or 'had' instead of 'haved' 0.35 0.8038 els64 Does your child talk like an adult in terms of language? 0.35 0.78MethodsPreliminary Results

Which clinical signs are valid indicators for speech language disorder?

https://research.hanze.nl/ws/files/24479449/IALP_presentation_Visser_Bochane_etal_20160811.pdf

Which clinical signs are valid indicators for speech language disorder?

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