What percentage of embryos are aborted spontaneously?

5 percent
20 percent
31 percent
40 percent


20 percent

Psychology

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Explain the association between poor health and socioeconomic status (SES).

What will be an ideal response?

Psychology

When Ken kisses Barbie, his heart races. For a month, Barbie snapped her fingers just before she kissed him. She stopped snapping her fingers, but now whenever Ken hears someone snapping their fingers, his heart begins to race. This is an example of __________ conditioning, and finger snapping is the __________.

A. classical; conditioned stimulus B. operant; conditioned stimulus C. classical; primary reinforcer D. operant; primary reinforcer

Psychology

Nelson and Julianna just divorced. Their parenting styles are LEAST likely to become

A) authoritarian. B) authoritative. C) permissive. D) neglecting.

Psychology

When a crime happens quickly and under poor viewing conditions, what stage of memory processing is most likely to be hindered?

a. acquisition b. storage c. retrieval d. reconstruction

Psychology