Question 1
A correlation of +.55 between preschool attendance and self-esteem indicates that children who attend preschool have __________ self-esteem scores than children who do not attend preschool.
◦ moderately higher
◦ significantly higher
◦ significantly lower
◦ moderately lower
Question 2
A disadvantage of cross-sectional research is that
◦ it is more inefficient and inconvenient than longitudinal research.
◦ it does not provide evidence about change at the individual level.
◦ it can be threatened by practice effects and participant dropout.
◦ age-related changes cannot be examined.