This is a "connection" page, showing publications co-authored by Ramon Casanova and Edward Ip.
Gross AL, Payne BR, Casanova R, Davoudzadeh P, Dzierzewski JM, Farias S, Giovannetti T, Ip EH, Marsiske M, Rebok GW, Schaie KW, Thomas K, Willis S, Jones RN. The ACTIVE conceptual framework as a structural equation model. Exp Aging Res. 2018 Jan-Feb; 44(1):1-17.
The connection strength for concepts is the sum of the scores for each matching publication.
Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.