Richard R Rosenkranz

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Questions related from Richard R Rosenkranz

For researchers using dual x-ray absorptiometry (DXA), what role does a physician play at your institution?

DXA is useful in research for body composition, bone mineral content, and more. At your institution do researchers have to obtain a prescription for each individual participant? Or, does a...

17 October 2023 4,649 0 View

Do those in maintenance have higher intention and self-efficacy for a target behavior than those in Pre-contemplation, Contemplation, or Preparation?

I would hypothesize that those in maintenance would have higher levels of intention and self-efficacy than those in the early stages of change, but I'm not sure this is consistent with theory. Is...

02 August 2015 2,184 6 View

Brief sugar-sweetened beverage measure for elementary school-aged kids?

I'm looking for a validated instrument to assess change over time in sugar-sweetened beverages among (American) elementary school kids. I don't want to subject anyone to a full FFQ or full 24-hour...

14 March 2015 3,833 3 View

How does one calculate a mean difference effect size in comparative effectiveness studies?

For a meta-analysis, we are interested in comparing the mean difference across time for intervention versus control conditions. This lends itself well to computing an effect size for the...

10 November 2014 7,475 3 View