Mockler, Darren; (1997) Psychologists and their administration and scoring of the National Adult Reading Test (NART). Doctoral thesis (D.Clin.Psy), UCL (University College London).

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Abstract

The study investigated the problems psychologists experience when administering and scoring the National Adult Reading Test (restandardised, NART) using the manual pronunciation guideline. Two scoring aids (audio taped version of the NART words and the NART manual pronunciation guideline) were compared to determine which was the most effective in reducing psychologist's NART scoring errors. Three groups of psychologists (Clinical, Trainee and Assistants, N=108) participated in the study. All three groups made a number of errors when pronouncing the NART words. They also experienced difficulty in pronouncing NART word variations. The main finding of the study is that there was no significant difference in NART scoring errors between the two groups of psychologists (using tape or NART manual guideline when scoring) when pre-exposed to either scoring aid. However, a highly significant difference in NART scoring errors was found post-exposure to the scoring aids. The psychologists using the tape as a scoring aid made significantly less scoring errors compared to the psychologists using the NART manual guideline. The standard deviation for the NART scoring errors made by psychologists using the tape does not vary significantly pre- and post-exposure to the tape. However, the standard deviation for the scoring errors made by psychologists using the NART manual guideline significantly increased. The introduction of the manual guideline caused a wider distribution of error scores. An interaction effect was found between the three psychologist groups and the scoring aid used. The findings cast doubt on the current and past use of the NART both for research and clinical practice and the use of the NART manual pronunciation guideline as criteria for scoring word pronunciation.

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