“…Especially useful for determining complexity in this approach are the indexes of causal cohesion, which were found to be strong predictors when evaluating informational text (McNamara et al, 2010). Focusing on the causal text structure is supported by the findings of several research studies in which sixth graders reading informational text were less successful at understanding and recalling causal information compared with information presented in other structures such as listing, sequence, or compare/contrast (Hare, Rabinowitz, Schieble, 1989;Penning & Raphael, 1991;Richgels, McGee, Lomax, & Sheard, 1987).…”