Why is the average age of menarche lowest in developed countries?
What will be an ideal response?
There is adequate nutrition in developed countries. Also, medical care is highest. These two things seem to contribute to an earlier age of puberty starting.
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Social cognitive theorists would endorse which type of explanation for a gay or lesbian sexual orientation?
a. Sexual orientation runs in families. b. Sexual orientation is related to the phallic stage of development. c. Sexual orientation is affected by observations of others in male-male or female-female sexual encounters. d. Sexual orientation is determined by sex hormones.
A meta-analysis of 32 studies comparing evidence-based treatments to usual clinical care found that
a. evidence-based treatments consistently outperformed usual clinical care. b. usual clinical care consistently outperformed evidence-based treatments. c. evidence-based treatments outperformed usually clinical care only for autism treatment. d. there were no significant differences between these treatment modalities.
Jack just finished a 26-mile marathon. In spite of the physical strain he feels euphoric and elated due to the release of
a. serotonin. c. endorphins. b. dopamine. d. acetylcholine.
Frequency theory proposes that:
a. pitch is determined by the location on the basilar membrane where the message originated. b. pitch is determined by the quality of the sound wave. c. the frequency of the vibrations of the basilar membrane is translated into an equivalent frequency of nerve impulses. d. nerve cells fire in sequence, not individually.