Early stopping of a clinical trial is well accepted when there is enough evidence for a significant effect.
In alignment with Hattie's findings, Camburn and Han (2011) found support for a significant effect for problem-solving and related instructional strategies in a review of evidence from the past twenty years of student achievement studies based on large-scale assessments.
To test for a significant effect of inbreeding on immune measures, we included HL as a fixed effect in the ANCOVA described below.
To test for a significant effect of distance on the seed set per capitulum, a generalized linear model with quasi-Poisson errors was used.
When the three methodological factors above where controlled for, a significant effect was found for surveys targeted at medical and clinical researchers, who reported higher percentages of misconduct than respondents in biomedical research and other fields (Table 3).
We found no evidence for a significant effect of timing on cardiac cell accumulation in the first 3 days post-MI, conversely, for the IM route, the retention was higher at 7 days compared to 1, 2 or 3 days post-MI.
