Kamleshie Mohangi
Risks and opportunities for children's well-being in resource-constrained multigenerational households during COVID-19: Implications for school psychology interventions
School Psychology International
models structure cognitive abilities suggested spearman thurstone guilford vernon cattellhorn reviewed noted models include general intellectual factor g others also noted models nonhierarchical others narrow abilities subsumed broader abilities hierarchical pattern empirical study test battery 16 tests administered 1000 subjects 6th grade reported using lisrel technique test different models good support obtained oblique primary factors thurstone tradition well secondorder factors fluid intelligence crystallized intelligence general visualization hypothesized cattell horn also found however secondorder factor fluid intelligence identical thirdorder gfactor basis results threelevel model hilimodel suggested gfactor top two broad factors reflecting ability deal verbal figural information respectively secondorder level primary factors thurstone guilford tradition lowest level argued previously suggested models special cases hilimodel