What are three reasons why siblings are different?
What will be an ideal response?
Siblings differ in three main ways:
1. They can try to differentiate themselves from each other.
2. They have different birth order.
3. They have different genetics, because they only share 50% of the same genes.
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If a person is having trouble sleeping, they might take the following hormone
a. prolactin c. melatonin b. corticosteroids d. thyroxin
Which of the following is a reason that infant-directed speech supports language acquisition?
A. Infant-directed speech is considered to be an innate facilitator of language that permits infants to quickly and efficiently analyze everyday speech. B. When parents speak in infant-directed speech they exaggerate the sounds they make, which helps infants hear and distinguish the different sounds and map sounds to meanings. C. When parents speak in infant-directed speech they keep their lip movements normal, which helps infants to distinguish lip movements relevant to speech. D. Infant-directed speech is preferred by adults because it teaches babies how to take turns talking.
On average, how long do people live with Alzheimer's disease?
A) 1 year B) 3 years C) 5 years D) 10 years
With independent-groups experiments, researchers often use multi-level designs because, 1) these designs allow for the testing of nonlinear relationships between the independent and dependent variables, and 2)
a. these designs allow the researcher to more clearly and definitively test the hypothesis. b. these designs are simpler, and take less effort compared to two-group designs. c. these designs are typically less expensive than two-group designs. d. these designs provide less data for the researcher to interpret.