Describe and explain the advantages and disadvantages of using a within-subjects design.
What will be an ideal response?
The advantages of within-subjects designs (relative to between-subjects designs) is that there is less error due to a lack of between-group differences across different groups of participants and fewer participants are needed in the study to collect the same amount of data. The disadvantages are that there may be order effects from the order of the conditions the participants receive (which can be controlled with counterbalancing) and that the participants' procedure will be longer in the study, which could result in loss of subjects across the procedure and/or fatigue effects.
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How does dominant-recessive inheritance work? Apply this to a specific example of dominant-recessive inheritance.
What will be an ideal response?
Last week, Sarah had exams in math and in Spanish. On the math exam, the mean was µ = 30 with ? = 5, and Sarah had a score of X = 45 . On the Spanish exam, the mean was µ = 60 with ? = 8, and Sarah had a score of X = 68 . For which class should Sara expect the better grade?
a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same location. d. There is not enough information to determine which is the better grade.
About 97% of our DNA does not encode ______.
A. proteins B. RNA C. genes D. neurotransmitters
According to your textbook, the main reason that we do not have sufficient research examining the development of personality disorders is that
a. many individuals do not seek treatment in the early phases of these disorders b. there is insufficient research funding for these disorders, due to relative lack of public awareness. c. sophisticated research methods are necessary to study disorders that are so ingrained in personality. d. all of these are cited as key contributors to the lack of sufficient research.