A cross-sectional study was conducted between May 2009 and October 2010, recruiting households and individuals through postal and online questionnaires, supported by a large random-address mailshot and a modest online and media promotion [30, 31].
Analysis of the group discussions and semi-structured questionnaires supported the quantitative results.
The patient-reported questionnaire included questions from standardized questionnaires supported by evidence of reliability and validity as well as questions developed for this study.
LPH participated in the conceptualisation and design of the study as well as the questionnaires, supported the acquisition of data, supported the statistical analyses and edited various drafts of the paper.
We are aware that the Silberfeld does not represent the most accurate instrument to evaluate competence We chose the Silberfeld questionnaire because the institutional directive of the hospital suggests it be used in daily clinical work (other questionnaires supporting clinical judgement were considered too time consuming.
Our results, based on experimental data from participants' performance as well as a post-experiment questionnaire, support the claim that overspecification improves lexical acquisition rates compared to minimal specification.
The data from the aggression questionnaire support this interpretation.
AR contributed to the conceptualization of the study, the development of the questionnaire, support the interpretation of the findings and editing of the final version.
The results of the patient questionnaire support previous findings which indicate that patients believe that scale and polish will keep their gums healthy, stop tooth decay, make their mouths feel good and improve their appearance [ 9].
Standardized instruments will include Health Utilities Inventory, Assessment of Life Habits, Arc's Self-Determination, Assessment of Health-Related Quality of Life, Partners in Health Questionnaire, Social Support Questionnaire, and Self-Efficacy for Managing Chronic Disease.
