INTRODUÇÃO: o dimensionamento adequado da amostra estudada e a análise apropriada do erro do método são passos importantes na validação dos dados obtidos em determinado estudo científico, além das questões éticas e econômicas. OBJETIVO: esta investigação tem o objetivo de avaliar, quantitativamente, com que frequência os pesquisadores da ciência ortodôntica têm empregado o cálculo amostral e a análise do erro do método em pesquisas publicadas no Brasil e nos Estados Unidos. MÉTODOS: dois importantes periódicos, de acordo com a Capes (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior), foram analisados, a Revista Dental Press de Ortodontia e Ortopedia Facial (Dental Press) e o American Journal of Orthodontics and Dentofacial Orthopedics (AJO-DO). Apenas artigos publicados entre os anos de 2005 e 2008 foram analisados. RESULTADOS: a maioria das pesquisas publicadas em ambas as revistas emprega alguma forma de análise do erro do método, quando essa metodologia pode ser aplicada. Porém, apenas um número muito pequeno dos artigos publicados nesses periódicos apresenta qualquer descrição de como foram dimensionadas as amostras estudadas. Essa proporção, já pequena (21,1%) na revista editada nos Estados Unidos (AJO-DO), é significativamente menor (p=0,008) na revista editada no Brasil (Dental Press) (3,9%). CONCLUSÃO: os pesquisadores e o corpo editorial, de ambas as revistas, deveriam dedicar uma maior atenção ao exame dos erros inerentes à ausência de tais análises na pesquisa científica, em especial aos erros inerentes a um dimensionamento inadequado das amostras.
Driven by the theory-building around the role of the non-verbal components to communication, we aimed to understand how therapists experience the therapeutic process using a facial mask. The empirical evidence of the power of non-verbal communication to engage therapists and clients in therapeutic work, develop a positive and collaborative relationship between them, and display empathy is quite large. A mixed-methods approach was adopted, drawing from the therapists’ participation in an online survey. A sample of 137 psychotherapists with different therapy orientations and years of clinical practice participated in the study. Therapists conducted face-to-face therapy wearing face masks with existing and/or new clients. We performed an exploratory analysis, using descriptive statistics, to explore the psychotherapists’ evaluations regarding perceived impact of face masks on different therapy quality dimensions. In a complementary rationale, we analyzed the therapists’ perspectives on their experience wearing face masks using the thematic analysis methodology. Results show that among 137 psychotherapists, 114 were attending both existing and new clients, whereas only 13 were seeing exclusively existing clients and 10 were working exclusively with new clients. Despite no major differences were found between conditions regarding the perceived impact of face masks on different therapy quality dimensions and strategies adopted, the qualitative analysis allowed us to expand the quantitative results and deepen understanding of psychotherapists’ experience. Based on general and typical patterns, we propose two distinct models to describe the therapist’s experiences narrative when working with existing or new clients wearing face masks. Based on the results, we propose some recommendations to clinical practice in similar conditions.
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