Of special interest is also to follow the progress of students with learning disabilities, who according to cognitive test results, would have been placed in special education schools, but have attended regular classes. One question is whether support in special education classes/groups outside the regular class has increased since the 1960s, and whether the changes can be attributed to changed conditions for schools at the municipal and/or societal level. One question to be investigated is whether the individual forms of work have increased over time and how the changes are related to the motivation to learn and school achievement of different student groups over time.Īnother study aims to investigate how municipal and independent schools organize their special education support. The project aims to investigate the presence and extent of different educational methods, such as individual work, group work, discussions with the teacher individually or in the whole class, over time, with start in the 1960s and until today. Psychometric Properties of the PsychoSomatic Problems Scale: A Rasch Analysis on Adolescent Data. However, in order to achieve invariant measurement across age groups, efforts to develop instruments are required, in particular if older and younger adolescents are to be compared. Nevertheless, the analyst should be careful in drawing conclusions from analysis on differences between different age groups and genders.įuture directions: There seems to be few instruments useful for invariant measurement of psychosomatic health among adolescents in different age groups. However, some of the items showed reversed item thresholds, indicating that the response categories did not work as expected in the Australian setting, this needs to be taken into account in further analyses.Ĭonclusions: The PSP-Scale works well also among younger adolescents in an Australian Setting.
Results: At a general level of analysis, the scale seems to fit the Rasch model fairly well, with good targeting and separation of the individuals. A particular focus is also directed towards possible Differential Item Functioning (DIF) across school year and sex. General fit statistics as well as their graphical representations (ICC) are used to evaluate if the data fit the Rasch model. The PSP-scale was analysed by means of the polytomous Rasch model. Methods: The PSP-scale consists of eight polytomous items intended to tap information about student experiences of psychosomatic health complaints. Sample: Using a paper-and-pencil based survey, the data was collected among 758 adolescents enrolled (school year 3-7) in schools in central Perth of Western Australia in 2013. However, the properties of the PSP-scale have not been examined for non-European samples and for younger adolescents.Īims: The purpose of the present study is to examine the psychometric properties of the PsychoSomatic Problems Scale by means of the polytomous Rasch model using an Australian sample of younger adolescents (school year 3-7). According to Psychometric analyses based on the the polytomous Rasch model, the PSP-scale shows good measurement properties (see Hagquist, 2008).
Background: The PsychoSomatic problems Scale (PSP-Scale) has frequently been used in Sweden in order to monitor adolescent psychosomatic health.
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