H Haumann, A Thielmann, M Sikora, U Schnell, B Weltermann
[How do you explain vaccine effects to patients? A representative, web-based survey among primary care physicians from North-Rhine Westphalia]
Deutsche medizinische Wochenschrift (1946)
study examines whether changes classroom quality predict withinchild changes achievement behavioral problems elementary school ages spanning approximately 611 years old drawing data longitudinal study children predominantly lowincome nonurban communities n 1078 relied child fixed effects modeling controlled stable factors could bias effects classroom quality general found changes classroom quality small statistically nonsignificant effects achievement behavior however found moving highquality classroom particularly rated high classroom organization positive effects achievement behavior children significant exposure poverty early life