Journal of Educational and Behavioral Statistics, Vol. 20, No. 2, Special Issue: Hierarchical Linear Models: Problems and Prospects (Summer, 1995), pp. 149-170 (22 pages) Longitudinal panel data ...

sound waves cause air particles to vibrate back and forth; ripples cause water particles to vibrate up and down. A longitudinal wave is one in which the vibrations of the particles are parallel to the ...

The slinky can be shaken to produce longitudinal and transverse waves. Examples of longitudinal waves include sound waves and earthquake p-waves. Examples of transverse waves include EM waves, water ...

This is a preview. Log in through your library . Journal Information The Quarterly of Applied Mathematics contains original papers in applied mathematics which have a close connection with ...

Negative refraction of elastic waves has been studied and experimentally demonstrated in three- and two-dimensional phononic crystals, but Bragg scattering is impractical for low-frequency wave ...