Which relationship is stronger, r = +0.62 or r = –0.62?
a. An r = +0.62 represents a stronger relationship than r = –0.62.
b. An r = –0.62 represents a stronger relationship than r = +0.62.
c. There is no difference in the strength of the two relationships.
d. Without seeing a scatterplot of the data, there is no way to determine which is stronger.
C
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If deaf children cannot learn to speak, and no one teaches them sign language, what happens? a. Their working memory improves
b. Their working memory deteriorates. c. They make up their own sign language. d. They remain ready for language learning until someone gives an opportunity.
As a result of the process of crossing over ________________
a. the risk of Down syndrome is increased b. boys are more likely to be born with a learning disability c. women are at increased risk for infertility d. each child born to a set of parents is genetically unique (with the exception of identical twins)
The allele for freckles is dominant, and the "no freckles" allele is recessive. What can be said about using the presence or absence of freckles as a paternity test?
A. A child with no freckles must have at least one parent with freckles. B. A child with no freckles must have at least one parent without freckles. C. A child with freckles cannot have a parent without freckles. D. A child with freckles has at least one parent with freckles.
A person's ability to adapt to or recover from difficult circumstances is known as _____.
A. phenotype B. resilience C. nurture D. temperament