Research keywords (20):
Descriptive multivariate analysis
, behaviormetrics
, correspondence analysis
, principal component analysis
, theory of quantification
, categorical data
, social statistics
, Cluster analysis
, classification
, social survey
, singular value decomposition
, orthogonal polynomials
, psychometrics
, Statistics for psychology
, factor analysis
, structural equation modeling
, test theory
, psychological measurement
, individual differences
, selection for entrance
The Japan Association for Research on Testing
, Psychometric society
, The Japanese Statistical Society
, The Japanese Psychological Association
, The Japanese Classification Society
, THE BEHAVIORMETRIC SOCIETY