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THE GRIFFITHS SCALES: VALIDATION FOR PORTUGUESE POPULATION – A PILOT STUDY Carlota Themudo Ferreira, Inês Carvalhão, Inês Pessoa e Costa, Iolanda Gil,

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Presentation on theme: "THE GRIFFITHS SCALES: VALIDATION FOR PORTUGUESE POPULATION – A PILOT STUDY Carlota Themudo Ferreira, Inês Carvalhão, Inês Pessoa e Costa, Iolanda Gil,"— Presentation transcript:

1 THE GRIFFITHS SCALES: VALIDATION FOR PORTUGUESE POPULATION – A PILOT STUDY Carlota Themudo Ferreira, Inês Carvalhão, Inês Pessoa e Costa, Iolanda Gil, Patrícia Borges, Solange Fernandes & Manuela Veríssimo ARICD 14 th International Scientific Meeting

2 Authors Carlota Themudo Ferreira (Griffiths Tutor, Instituto Científico de Formação e Investigação, FAPPC, Portugal); Inês Carvalhão (Griffiths Tutor, Centro de Reabilitação de Paralisia Cerebral Calouste Gulbenkian, Lisboa, Portugal); Inês Pessoa e Costa (UIPCDE e CECF, ISPA-IU, Portugal); Iolanda Gil (Griffiths Tutor, Centro de Reabilitação de Paralisia Cerebral Calouste Gulbenkian, Lisboa, Portugal); Patrícia Borges (UIPCDE e CECF, ISPA-IU, Portugal); Solange Fernandes (Griffiths Tutor, Centro Hospitalar Oeste Norte, Caldas da Rainha, Portugal); Manuela Veríssimo (UIPCDE e CECF, ISPA-IU, Portugal).

3 Introduction The 1st Griffiths course in Portugal, directed by Psychologist Dr. Michael Huntley, was held in 1988; The first portuguese tutors were recognized in 1991 by ARICD; The first portuguese edition of the 0-2 Scale (Revision 1996) was published in 2007 and the 2-8 Scale (Revision 2006) in 2008. The translation and adaptation of the application norms was made by the Portuguese Tutors in collaboration with CEGOC, responsible for editing; The Griffiths Scales are frequently used in Portugal to assess the child development;

4 Aim of the Study In the conclusions of the study “Griffiths profiles in a group of premature children with PVL – a comparative study” (2010), was raised the need to validate the british norms in a portuguese sample. The passed year, the Portuguese Tutors and a research team from ISPA-Instituto Universitário started a project whose aim was to validate the GMDS-ER to the portuguese population. This study presents the results of a portuguese sample that will allow, comparing the scores of british stantardization, to validate the appropriateness of the original tables in the clinical assessment of portuguese children.

5 Methodology Procedure: All children were assessed with the Griffiths Scales at their schools; A report of the results was sent to the parents and, if allowed, to the schools; The statistical results were based on the raw scores;

6 Methodology Sample GroupAge Groups ♀♂ Total 124-35.9141125 236-47.9222345 348-59.915 30 460-71.9162238 572-83.914620 684-967815 Total8885N=173

7 Group Characterization MeanRange Age 55,524-96 (months) Birthweight 32122500-4600 (Kg) Mother’s Age * 3516-47 (years) Father’s Age * 3823-59 (years) Mother’s Education 142-21 (school years) Father’s Education 143-21 (school years) *Parent’s age at the time of the study

8 Results - Raw Scores British SamplePortuguese Samplet SSNMSDNM A 1026 69.821.80 173 65.821.730.027* B70.220.6068.618.490.292 C73.122.4071.223.890.328 D68.223.9060.623.070.000* E63.716.0064.923.480.513 F72.023.8064.424.000.000* General69.520.6066.021.610.042* Means and Standard Deviations from the british and portuguese samples: total scores *p<.05

9 Results - Raw Scores Means from the british and portuguese samples: total scores

10 Comparison between the british and portuguese sample: Significative Differences found in age groups British SamplePortuguese Samplet SSNMSDNM Group 1 24-35.9 D 141 31.95.03 25 29.45.140.028* E39.06.2632.57.220.000* *p<.05

11 British SamplePortuguese Samplet SSNMSDNM Group 2 36-47.9 B 176 52.07.90 45 57.98.070.000* D46.35.9342.46.860.001* *p<.05

12 British SamplePortuguese Samplet SSNMSDNM Group 3 48-59.9 A 178 61.29.83 30 71.212.990.000* B64.78.8768.810.340.042* C67.410.2577.014.040.000* G63.46.7668.211.290.025* *p<.05

13 British SamplePortuguese Samplet SSNMSDNM Group 4 60-71.9 C 179 84.010.12 38 87.67.670.015* D80.79.5175.110.570.003* E71.18.3779.512.200.000* F83.710.3979.211.830.028* *p<.05

14 British SamplePortuguese Samplet SSNMSDNM Group 5 72-83.9 C19692.15.672094.74.010.009* *p<.05

15 British SamplePortuguese Samplet SSNMSDNM Group 6 84-86 C 166 95.94.18 15 98.41.350.000* E79.48.9797.93.420.000* G92.03.5296.12.150.000* *p<.05

16 Conclusions As observed in previous researches done in Portugal with other scales that assess cognitive areas (WISC III e WPPSI III), in the present study we also had lower results when comparing the portuguese and the british total samples. Looking at the subscales in the different age groups: o Good results in the subscales B and C can reflect the cultural and pedagogical aspects most valued in portuguese pre-school: autonomy and communicative interaction; o The lower results shown in the subscales D (specially in the graphomotor skills) and F (specially in the conceptual formation) may be explained by the fact that kindergarten acquisitons, such as concepts, phonetics, graphics, etc. only begin to be worked out at the age of 5.

17 Study Limitations and Future Research The sample was chosen for convenience, was restricted to an urban area (Lisbon) and mostly to a medium/high sociocultural level. The results points out the importance of continuing in this path, using a larger and more representative sample of the population at national level This pilot study makes us think about the importance of standardizing the GMDS in the portuguese population.


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