Answer:
Ecological validity.
Explanation:
According to my research on different research methodology, I can say that based on the information provided within the question these researchers seem to be considering Ecological validity. This term refers to the act of researchers generalizing the findings of a study to real life settings. Like what the researchers in the question are doing by wanting to conduct the study in the homes of the elderly.
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Answer:
No, the smoking habits of both parents do not affect the likelihood of newborns being boys or girls. The gender of a baby is determined by the combination of chromosomes inherited from both parents and is unrelated to smoking.
Answer:
Providing these labels is intended to activate top-down processing.
Explanation: