Psychology researchers observed that parents feel emotion while singing to their infants. The researchers hypothesize...

mamie on December 28, 2019


Could someone please explain this?

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shunhe on January 1, 2020

Hi @mamie,

The stimulus is a bit wordy, but the gist is that some researchers hypothesized that the emotion parents feel while singing to infants affects the sound of the singing. They then did some studies where they could identify recordings of parents singing to children, and then concluded their hypothesis was correct.t This is a Strengthen question, and so we want new evidence that helps bolster the psychology researchers' argument. (D) is the correct answer here because it essentially tells us that when a person feels emotion (which parents do when they sing to infants), there are physiological responses that affect the vocal cords and lungs, which presumably affect the sound of the singing. Hope this helps, and feel free to ask any more specific questions you might have.