Lisa, a college student, had a great time at the party last night. she danced, sang karaoke, and even played the "rock band" video game—all behaviors that she had never exhibited in public before. she had been drinking the "punch" all night long, which she was told contained high levels of alcohol. lisa was quite surprised to find out the next morning that the punch did not contain any alcohol. what concept may explain lisa's behavior?

The concept may explain the placebo effect.

The placebo effect or the placebo response is the idea that the brain can convince the body a fake treatment is the real thing. A placebo is anything that seems to be a "real" medical treatment

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

a photo collage of women at work during world war 2