Background The clinical and epidemiological significance of HIV-associated Mycobacterium
tuberculosis bloodstream infection (BSI) is incompletely understood. We hypothesised that …

This chapter addresses fundamental issues of change in psychotherapy: how to measure,
monitor, predict change, and provide feedback on treatment outcome. The chapter starts …

We investigated the intersectional nature of race/racism and gender/sexism in broad scale
inequities in physics student learning using a critical quantitative intersectionality. To provide …

Background Missing data are common in end-of-life care studies, but there is still relatively
little exploration of which is the best method to deal with them, and, in particular, if the …

The American Chemical Society holds supporting diverse student populations engaging in
chemistry as a core value. We analyzed chemical concept inventory scores from 4,612 …

Accelerometers and other wearable devices are increasingly being used in clinical trials to
provide an objective measure of the impact of an intervention on physical activity. Missing …

Researchers often frame quantitative research as objective, but every step in data collection
and analysis can bias findings in often unexamined ways. In this investigation, we examined …

We investigated how the time elementary preservice teachers (PSTs) spent studying certain
mathematics topics during teacher education coursework was related to performance on …

Educators and researchers often use research-based assessments before and after
instruction to measure the efficacy of courses. Limited resources exist for interpreting …

International comparisons of hierarchical time series data sets based on survey data, such
as annual country-level estimates of school enrollment rates, can suffer from large amounts …