Jessica's mother has blue eyes, with two recessive genes for blue eyes. Her father has brown eyes, with a dominant gene for brown eyes and a recessive gene for blue eyes. What are the chances that Jessica has blue eyes?
a. 0 percent
b. 75 percent
c. 50 percent
d. 25 percent
Answer: c
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Chapter 7 discussed a study by Hartwig and Dunlosky, who assessed whether college students' study techniques were correlated with their college grades. This research showed that
showed that a. there was a strong correlation between the measures of "study techniques" and grades in college. b. the study was flawed, because of the research was acknowledged to have a serious problem with the issue that "correlation is not necessarily causation." c. surprisingly, there was no correlation between any of the variables. d. there was actually a negative correlation between study techniques and grades in college, probably because the students with the lowest grades actually exaggerated the amount of time spent studying.
The main reason that it is so important to identify children with developmental disorders as early as possible is that a. medications are most effective when administered at an early stage of the disorder. b. skill deficits can be identified and addressed before they impact later development. c. family functioning often declines as the developmental disorder progresses
d. children are more receptive to therapy when they are young.
What does the following define? "The df for one factor times the df for the other factor."
A. interaction within-groups degrees of freedom B. interaction between-groups degrees of freedom C. interaction between-subjects degrees of freedom D. interaction within-subjects degrees of freedom
Some cultural universals, such as cooking and funeral ceremonies, may be practiced in different ways, but are found in every culture
Indicate whether the statement is true or false.