A review of 17 experimental studies published between 1980 and 2005 on the effect of specialized training on the competency of caregivers in childcare.



A data.frame with 78 rows and 30 columns.




id_expintegerUnique identifier of the study
yinumericStandardized mean difference between the control group and
vinumericVariance of the effect size
JournalfactorPublication type (scientific journal or other publications)
SettingfactorSetting (center-based care or family daycare)
IntegratedfactorWhether the training was integrated into childcare practice
SupervisionfactorWhether supervision was part of the training
ScopefactorScope of the training (narrow or broad)
LocationfactorLocation of the training (one-site or multi-site)
CurriculumfactorFixed curriculum
ControlfactorAlternative treatment for control group
AssignmentfactorRandom assignment or matching (at the level of the individual caregiver or childcare center)
Train_KnowledgefactorExplicit focus on knowledge
Train_SkillsfactorExplicit focus on skills
Train_AttitudefactorExplicit focus on attitude
VideofactorUse of video feedback
DesignfactorSingle group, or two-group experimental design
Pre_PostfactorPretest/posttest design (yes/no)
BlindfactorWas a blinding procedure used?
AttritionnumericAttrition from the experimental condition (percentage)
Pretest_esnumericPre-test effect size
Self_reportfactorSelf-report measures of caregiver competencies versus ‘objective’ test or observation by independent observer
DV_KnowledgefactorTest focused on knowledge
DV_SkillsfactorTest focused skills
DV_AttitudefactorTest focused on attitudes
DV_AlignedfactorTest aligned with the content of the training (yes/no)
Two_group_designfactorSingle group, or two-group experimental design
Trainee_AgenumericTrainees’ age
Trainee_ExperiencenumericTrainees’ working experience
n_totalintegerTotal n at post-test


Fukkink, R. G., & Lont, A. (2007). Does training matter? A meta-analysis and review of caregiver training studies. Early childhood research quarterly, 22(3), 294-311. doi:10.1016/j.ecresq.2007.04.005