● Sherryl Goodman, lector in de psychologie aan de Emory University, bestudeerde onlangs 38 kinderen van drie tot vijf jaar terwijl zij met een legpuzzel bezig waren.
● Sherryl Goodman, assistant professor of psychology at Emory University, recently studied thirty-eight children, from three years of age to five, while they were working on a jigsaw puzzle.jw2019 jw2019