Answer the following statement(s) true (T) or false (F)
1. While more sophisticated than early biological theories, the findings of the biological
studies of the early 20th century (such as the family studies, twin studies, adoption
studies, and studies of twins separated at birth) were criticized for not separating out the
effects of environmental impact and genetics.
2. Physiognomic studies focus on the genetic makeup and chromosome abnormalities.
3. A high level of estrogen is associated with risk-taking, greater tolerance for pain,
and preference for sensory stimuli.
4. Hormones are chemicals that carry electric impulses/signals that the brain wishes to
communicate.
1. TRUE
2. FALSE
3. FALSE
4. FALSE
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Scotland Yard is responsible for which of the following?
A) Using uniformed officers B) Protecting important persons C) Seeking additional witnesses D) Calling in military intelligence
Police need to promote a positive image of themselves
a. primarily at public events b. generally when there is a need for more public funding c. occasionally at city government meetings d. whenever possible
One problem with the t test for differences between means is that we don't know the value of the population means and thus there is always room for error in our conclusions
Indicate whether the statement is true or false.