AubryM., CantuR., DvorakJ., Graf-BaumannT., JohnstonK., KellyJ., SchamaschP. (2002). Summary and agreement statement of the first international conference on concussion in sport, vienna 2001. Physician and Sportsmedicine, 30, 5
BelangerH.G., SpiegelE., VanderploegR.D. (2010). Neuropsychological performance following a history of multiple self-reported concussions: A meta-analysis. Journal of the International Neuropsychological Society, 16, 262–267.
BorensteinM., HedgesL., HigginsJ.P., RothsteinH.R. (2005). Comprehensive meta-analysis version 2. Engelwood, NJ: Biostat.
BorensteinM., HedgesL.V., HigginsJ.P.T., RothsteinH.R. (2009). Introduction to meta-analysis. Chichester, UK: Wiley.
BorensteinM., HedgesL.V., HigginsJ.P.T., RothsteinH.R. (2010). A basic introduction to fixed effect and random effects models for meta-analysis. Research Synthesis Methods, 1, 97–111.
BroglioS.P., PuetzT.W. (2008). The effect of sport concussion on neurocognitive function, self-report symptoms and postural control: A meta-analysis. Sports Medicine, 38, 53–67.
CohenJ. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale, NJ: Lawerence Erlbaum Associates.
CollinsM.W., IversonG.L., LovellM.R., McKeagD.B., NorwigJ., MaroonJ. (2003). On-field predictors of neuropsychological and symptom deficit following sports-related concussion. Clinical Journal of Sport Medicine, 13, 222–229.
DouganB.K., HorswillM.S., GeffenG.M. (2013). Athletes’ age, sex, and years of education moderate the acute neuropsychological impact of sports-related concussion: A meta-analysis. Journal of the International Neuropsychological Society, 1–17.
DuvalS., TweedieR. (2000). Trim and fill: A simple funnel-plot-based method of testing and adjusting for publication bias in meta-analysis. Biometrics, 56, 455–463.
EggerM., Davey SmithG., SchneiderM., MinderC. (1997). Bias in meta-analysis detected by a simple, graphical test. British Medical Journal, 315, 629–634.
FazioV.C., LovellM.R., PardiniJ.E., CollinsM.W. (2007). The relation between post concussion symptoms and neurocognitive performance in concussed athletes. Neurorehabilitation, 22, 207–216.
FieldA.P. (2001). Meta-analysis of correlation coefficients: A Monte Carlo comparison of fixed- and random-effects methods. Psychological Methods, 6, 161–180.
FieldA.P. (2003). Can meta-analysis be trusted?
The Psychologist, 16, 642–645.
FieldM., CollinsM.W., LovellM.R., MaroonJ. (2003). Does age play a role in recovery from sports-related concussion? A comparison of high school and collegiate athletes. Journal of Pediatrics, 142, 546–553.
GuskiewiczK., WeaverN.L., PaduaD.A., GarrettW.E. (2000). Epidemiology of concussion in collegiate and high school football players. American Journal of Sports Medicine, 28, 643–650.
HedgesL.V. (1981). Distribution theory for glass's estimator of effect size and related estimators. Journal of Educational Statistics, 6, 107–128.
HedgesL.V., OlkinI. (1985). Statistical methods for meta-analysis. Orlando, FL: Academic Press.
HigginsJ.P., ThompsonS.G., DeeksJ.J., AltmanD.G. (2003). Measuring inconsistency in meta-analyses. British Medical Journal, 327, 557–560.
HunterJ.E., SchmidtF.L. (2000). Fixed effects vs. random effects meta-analysis models: Implications for cumulative knowledge in psychology. International Journal of Selection and Assessment, 8, 275–292.
JohnsonE.W., KegelN.E., CollinsM.W. (2011). Neuropsychological assessment of sport-related concussion. Clinics in Sports Medicine, 30, 73–88.
LangloisJ.A., Rutland-BrownW., WaldM.M. (2006). The epidemiology and impact of traumatic brain injury: A brief overview. Journal of Head Trauma Rehabilitation, 21, 375–378.
LightR.J., PillemerD.B. (1984). Summing up: The science of reviewing research. Cambridge, MA: Harvard University Press.
MayersL.B., RedickT.S. (2012). Clinical utility of ImPACT assessment for postconcussion return-to-play counseling: Psychometric issues. Journal of Clinical and Experimental Neuropsychology, 34, 235–242.
McCroryP., MeeuwisseW., JohnstonK., DvorakJ., AubryM., MolloyM., CantuR. (2009). Consensus statement on Concussion in Sport 3rd International Conference on Concussion in Sport held in Zurich, November 2008. Clinical Journal of Sport Medicine, 19, 185–200.
RandolphC. (2011). Baseline neuropsychological testing in managing sport-related concussion: Does it modify risk?
Current Sports Medicine Reports, 10, 21–26.
Report on Trends and Participation in Youth Sports. (2001). Stuart, FL: National Council of Youth Sports.
RosenthalR. (1979). The “File Drawer Problem” and tolerance for null results. Psychological Bulletin, 86, 638–641.
RothsteinH.R., SuttonA.J., BorensteinM. (2005). Publication bias in meta-analysis: Prevention assessment and adjustments. Chichester, UK: John Wiley.
SchatzP., KontosA., ElbinR. (2012). Response to Mayers and Redick: “Clinical utility of ImPACT assessment for postconcussion return-to-play counseling: Psychometric issues”. Journal of Clinical and Experimental Neuropsychology, 34, 428–434.
ShaddishW.R., SweeneyR.B. (1991). Mediators and moderators in meta-analysis: There's a reason we don't let dodo birds tell us which psychotherapies should have prizes. Journal of Consulting and Clinical Psychology, 59, 883–893.