Meta-analysis of multiple outcomes: a multilevel approach

Meta-analysis of multiple outcomes: a multilevel approach.

In meta-analysis, dependent effect sizes are very common. An example is where in one or more studies the effect of an intervention is evaluated on multiple outcome variables for the same sample of participants. In this paper, we evaluate a three-level meta-analytic model to account for this kind of dependence, extending the simulation results of Van den Noortgate, López-López, Marín-Martínez, a...

Effect of Progressive Muscle Relaxation on the outcomes of Multiple Sclerosis disease: A systematic review and meta-analysis

Introduction: Multiple sclerosis (MS) is an inflammatory disease, makes damage in central nervous system. Evidence showed Progressive Muscle Relaxation (PMR) technique is one of the non-pharmacological methods used to treat MS. The purpose of the study was to determining the effect of PMR on the MS's outcomes in published papers in the field.  Method: This systematic and meta-analysis study we...

Multilevel Models for Meta-analysis of Studies with Binary Outcomes

Analysis of Economic Determinants of Fertility in Iran: A Multilevel Approach

Background During the last three decades, the Total Fertility Rate (TFR) in Iran has fallen considerably; from 6.5 per woman in 1983 to 1.89 in 2010. This paper analyzes the extent to which economic determinants at the micro and macro levels are associated with the number of children in Iranian households.   Methods Household data from the 2010 Household Expenditure and Income Survey (HEIS) is ...

the effectiveness of strategy-based instruction in teaching english as a second or foreign language: a meta-analysis of experimental studies

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...