An Experimenter Asks a Group of 6-Year-Old Children to Try

Multiple Choice

An experimenter asks a group of 6-year-old children to try to repeat lists of two to eight numbers or letters immediately after hearing them. Five years later the same experimenter asks the same children, now 11 years old, to repeat new lists of two to eight numbers or letters. This is an example of a

A) cross-sectional study of long-term memory.
B) cross-sectional study of short-term memory.
C) longitudinal study of short-term memory.
D) longitudinal study of long-term memory.