SRI-Teknisk rapport-sen.v13 - DPU

M.3 Is there an adequate description of the sample
used in the study and how the sample was identified
and recruited?
M.4 Is there an adequate description of the methods
used in the study to collect data?
M.5 Is there an adequate description of the methods
of data analysis?
Yes (please specify)
Yes. The study has a thorough description of the
sample, which is gathered through a stratified
random sampling procedure. Profound explanation
of the representativeness of the samples.
Participants consent to participate by answering.
Yes (please specify)
Yes. The scores for schools and proxys for SES were
provided by personnel within the Maryland State
Department of Education. Other data come from
teacher and student questionnaires, but here we
get no information on who collected the data or
where.
Yes (please specify)
Yes. Schools were placed in a three times three grid
based on MSPAP performance gain (lower third,
middle third, upper third) and SES variables (lower
third, middle third, upper third). The items in the
questionnaires were grouped to form indicators for
six dimensions using confirmatory factor analytic
methods and measures of internal consistency.
The authors suggest a model including differences
within schools.
Bias due to school size is discussed.
M.6 Is the study replicable from this report? No (please specify)
No. The full questionnaires are not available.
M.7 Do the authors state where the full, original
data are stored?
M.8 Do the authors avoid selective reporting bias?
(e.g. do they report on all variables they aimed to
study, as specified in their aims/research questions?)
Section N: Quality of the study - Weight of evidence
N.1 Are there ethical concerns about the way the
study was done?
N.2 Were users / relatives of users appropriately
involved in the design or conduct of the study?
No (please specify)
Yes (please specify)
Yes. All items in the questionnaires seem to be
used (but it is not completely clear).
No (please specify)
No. We get no information on whether the parents
to the students in the elementary schools have
given consent, but the items are not dealing with
sensitive matters.
The funding is not likely to have influenced the
study.
Yes, a lot (please specify)
Yes, a lot. As stated in N1 no consent seems neces-
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