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Article
The interpretation of statistical power after the data have been gathered
Post-hoc power estimates (power calculated for hypothesis tests after performing them) are sometimes requested by reviewers in an attempt to promote more rigorous designs. However, they should never be request...
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Article
Integrative Data Analysis of Gender and Ethnic Measurement Invariance in Nicotine Dependence Symptoms
Little research has evaluated whether conflicting evidence for gender and racial/ethnic differences in nicotine dependence (ND) may be attributed to differences in psychometric properties of ND symptoms, parti...
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Article
Does number of lifetime traumas explain the relationship between PTSD and chronic medical conditions? Answers from the National Comorbidity Survey-Replication (NCS-R)
The present study sought to extend prior research by using data from the National Comorbidity Survey-Replication (NCS-R) to examine the relationship between number of lifetime traumas, posttraumatic stress dis...
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Article
The Use of Risk Assessment to Predict Recurrent Maltreatment: A Classification and Regression Tree Analysis (CART)
Research has suggested that recurrent maltreatment may be best predicted by a combination of factors that vary across families. The present study set out to determine whether a pattern-centered analytic approa...
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Article
Defining Subgroups of Adolescents at Risk for Experimental and Regular Smoking
If multiple etiologies of substance use are truly at work in the population, then further strides in the accurate prediction of smoking and the use of other substances will likely be built on diverse pattern-c...
