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

question 73

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.

---

Definitions:

NMR Data

Information obtained from Nuclear Magnetic Resonance spectroscopy, used to determine the structure of molecules.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal that is split into four distinct peaks, indicating the presence of three equivalent protons in the neighboring environment.

Doublet

A pattern in spectroscopy indicating two adjacent peaks, often associated with the spin of a nucleus affecting a neighboring nucleus.

NMR Spectrum

A representation of the nuclear magnetic resonance absorption by nuclei in a sample.