Sentences with phrase «block randomization»

Participants were women randomized to the IPT group or to the enhanced community standard (ECS) group, using a progressive block randomization procedure over the extended period of participant recruitment.

«Random number table with blocks of 10»; «block randomization was chosen to control for any variation that might occur over time in recruitment strategies or resident education».

Not exact matches

Quote: «Randomization incorporated an undisclosed blocking factor and nativity status (US - born vs foreign - born).»

«If you block it, and there is no vitamin A, then expression of these genes doesn't happen and then you have a randomization of the heart position.

At the end of December 2001, the Department of Epidemiology and Biostatistics generated a new randomization sequence with 2 study groups (using randomization blocks of size 8 within location) and relabeled the remaining unused study boxes.

Individual randomization was performed centrally, stratified by clinic, and blocked in groups of 4.

As reported previously in greater detail, 3 — 5 within each randomization site, newborns were assigned randomly, in blocks of 4, to intervention or control groups of ∼ 200 newborns each, by using sealed envelopes provided to sites by the evaluation team.

Randomization was stratified in blocks of 9 to guarantee equal distribution across groups.

Trained staff carried out randomization in blocks of 4, using a computer - generated assignment sequence concealed in sealed envelopes.

The latter level encompassed the school division level of randomization, as well as the school level, given that these were fixed (i.e., stratified by grade level and identified as blocks for inclusion in the evaluation prior to randomization).

We used a cluster randomization design31 - 33 with therapists assigned to a condition (usual care, standard, or modular) using blocked randomization33 stratified by the educational level of the therapist (doctoral vs master's degree).