uni tobacco definition Cigarette smoking dips below 10%. The CDC didn't tell you Frontiers | School-based smoking prevention

Front Public Health 7:290

The random effects model assumes that the true effect size is different for each study and that the difference in effect size for each study is due to a combination of the difference in true effect size and sampling error ( Test for Publication Bias Publication bias means that the published research literature does not systematically and comprehensively represent the total body of research that has been done in the field ( N -test, Egger's test to further evaluate publication bias

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