BioMed Research International

Review Article

Effects of Physical Activity on Children’s Motor Skill Development: A Systematic Review of Randomized Controlled Trials

Table 2

Risk of bias/quality of individual studies included in the review.
ArticlesRandomizationControlPre-postRetentionMissing dataPower analysisValidity measureFollow-upScoreEffectiveness
Barnett et al. [30]+++++++—7No
McGann et al. [31]+++++—+—6Yes
Chan et al. [37]++++++++8Yes
Lee et al. [38]++++++++8Yes
Cohen et al. [39]+++++++—7Yes
Laukkanen et al. [40]+++++—++7No
Bonvin et al. [41]++++++++8No
Vernadakis [32]+++++—+—6Yes
Costello and Warne [42]+++++—+—6Yes
Johnson et al. [33]+++++—+—6No
Foweather et al. [43]++++++++7Yes
Sit et al. [44]++++++++8Yes
Lander et al. [45]+++++—++7Yes
Lander et al. [46]+++++—+—6Yes
Johnstone et al. [47]+++++—+—6Yes
Karabourniotis et al. [48]+++++—+—6Yes
Mombarg et al. [34]+++++—+—6Yes
Aadland et al. [49]+++++—++7Yes
Cliff et al. [50]+++++—+—6Yes
Pan et al. [51]+++++—+—6Yes
Piazza et al. [52]+++++—+—6Yes
Salmon et al. [53]+++++—++7Yes
Sheehan and Katz [36]+++++—+—6Yes
Sheehan and Katz [35]+++++—+—6Yes
van der Fels et al. [54]++++++++8No
“+” refers to positive (explicitly described and present in details); “—” refers to negative (inadequately described and absent); “Yes” indicates significant positive effect; “No” indicates no significant effect. .