According to the Monitoring the Future data, what percentage of American high school seniors reported binge drinking in the past month?

When attempting to understand developmental transitions that people face throughout their life span, which of the following research designs would be most informative?

A) Cross-sectional designs B) Longitudinal designs C) Correlational research designs D) Cohort research designs

The neutral stimulus/unconditioned stimulus pairing:

(a) is nearly automatic after the first presentation (b) must occur several times to reliably produce a conditioned response (c) becomes less intense with each presentation (d) works only in cases involving food