As we age, we are more likely to need glasses because
A) of damage to our corneas.
B) of damage to our retinas.
C) the lens loses its flexibility.
D) the retina can no longer accommodate subtle changes in light.
Answer: C
Psychology
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One study described in your book examined the effects of ginkgo biloba as an answer to one's memory problems. The study highlighted the importance of utilizing which one of the following controls?
a. single-blind control b. double-blind control c. placebo control d. counter-balancing control
Psychology
In one study, Cole (1991) found that roughly 50% of 9- and 10-year-olds have negative self-esteem in at least three domains
Indicate whether the statement is true or false
Psychology