In one study, Lonigan and Whitehurst compared shared reading with teachers at preschool, shared reading with parents at home, and a combined condition.
( ( In ( one study ) ) ( , ( ( ( Lonigan and ) Whitehurst ) ( ( ( ( compared ( shared reading ) ) ( with ( teachers ( at ( preschool ( , ( shared reading ) ) ) ) ) ) ) ( with ( ( ( ( parents ( at home ) ) , ) and ) ( a ( combined condition ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (CD one) (NN study))) (, ,) (NP (NNP Lonigan) (CC and) (NNP Whitehurst)) (VP (VBD compared) (NP (VBN shared) (NN reading)) (PP (IN with) (NP (NP (NNS teachers)) (PP (IN at) (NP (JJ preschool) (, ,) (VBN shared) (NN reading))))) (PP (IN with) (NP (NP (NP (NNS parents)) (PP (IN at) (NP (NN home)))) (, ,) (CC and) (NP (DT a) (VBN combined) (NN condition))))) (. .)))
A study compared shared reading with teacher at preschool, and parents at home.
( ( A study ) ( ( compared ( ( ( ( ( ( shared reading ) ( with teacher ) ) ( at preschool ) ) , ) and ) ( parents ( at home ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN study)) (VP (VBD compared) (NP (NP (NP (VBN shared) (NN reading)) (PP (IN with) (NP (NN teacher))) (PP (IN at) (NP (NNP preschool)))) (, ,) (CC and) (NP (NP (NNS parents)) (PP (IN at) (NP (NN home)))))) (. .)))