Rodgers Et Al

Multiple Choice

Rodgers et al. and Guo et al. found what when they compared cross-sectional with longitudinal birth order research results?

A) Zajonc's expectations were confirmed with both methods.
B) Only longitudinal studies supported Zajonc's expectations.
C) Only cross-sectional studies supported Zajonc's expectations.
D) Zajonc's expectations were confirmed by neither method.