Adopted children who were high risk for schizophrenia, who were raised in healthy families,
a. showed the same risk for schizophrenia as those adopted into dysfunctional families - genes were the most important factor.
b. showed higher risk for schizophrenia than those adopted into dysfunctional families - they had trouble fitting in with the family.
c. showed lower risk for schizophrenia than those adopted into dysfunctional families - a good environment may protect people with genetic vulnerabilities from developing schizophrenia.
d. showed lower risk for schizophrenia than those adopted into dysfunctional families - the environment causes people to develop schizophrenia, not genes.
c. showed lower risk for schizophrenia than those adopted into dysfunctional families - a good environment may protect people with genetic vulnerabilities from developing schizophrenia.
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A researcher introduces a new mathematics program in one school district and uses a neighboring district as a no-treatment control group. After the program is in place for six months, the researcher intends to give the students in both districts a standardized mathematics test and then compare their scores. This research cannot be classified as a true experiment because ____. a. the treatment
is administered to only one group. b. there is no pretest to determine mathematics ability before the program c. the researcher does not control the assignment of participants to groups d. it is not conducted in a laboratory
Mack and Rock (1998) asked participants to maintain fixation on a central point. They then saw a large cross somewhere in the parafoveal region. The participants' task was to determine if the horizontal or vertical lines of the cross were larger. The researchers found that ______.
A. reaction time in the task slowed when the horizontal lines and vertical lines were not perpendicular to each other B. reaction time was faster when the stimuli were presented more dimly than when the stimuli were presented more brightly C. attention to the horizontal lines inhibited perception of the vertical lines D. a majority of the participants did not report seeing an introduced diamond, even though it was presented in the fovea
Who recognized that geese are genetically pre-programmed to become attached to the first moving object that they see?
A) Ivan Pavlov B) Konrad Lorenz C) B. F. Skinner D) Lev Vygotsky
In a study conducted by Coleman and colleagues (2008), ____ of American women aged 50–64 reported receiving regular mammograms to screen for breast cancer, compared to ____ of British women
a. over 90%; about 70% b. over 80%; about 60% c. over 70%; about 50% d. over 60%; about 40%