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PSYCH 1106 Questions and Answers Latest (Verified Answers 2025
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PSYCH 1106 Questions and Answers Latest (VerifiedAnswers 2025
Emmanuel is the only male child in his family who suffers from colourblindness.
What is the most likely reason for this?
A) Emmanuel's father is colourblind but his mother is neither colourblind, nor a
carrier of the gene.
B) Emmanuel's mother is a carrier of this gene but his father is not colourblind.
The rest of Emmanuel's siblings are females, so they do not exhibit the
colourblind phenotype.
C) Emmanuel's mother is colourblind but his father is not. This results in a 1 in 4
chance of expressing the colourblind phenotype in males, so despite having a
monozygotic twin, he was the only one who is afflicted.
D) Both Emmanuel's parents are colourblind, but he is the only male child they
had so none of his sisters show this phenotype. ......answer.....B) Emmanuel's
mother is a carrier of this gene but his father is not colourblind. The rest of
Emmanuel's siblings are females, so they do not exhibit the colourblind
phenotype.
A research study examines the internet search skills for different-aged groups of
people at the same time and then again for two additional sessions after a set
number of years. Which of the following would be false in this study?
,A) Researchers can assess individual developmental change.
B) Performance may benefit from practice effects.
C) The study would be more expensive than a cross-sectional design.
D) The study is protected from selective attrition. ......answer.....D) The study is
protected from selective attrition.
Which of the following statements most accurately describes monozygotic and
dizygotic twins?
A) Monozygotic twins begin as the same zygote, whereas dizygotic twins begin
as two separate zygotes.
B) Monozygotic twins have exactly the same chromosomes and genes, whereas
dizygotic twins have exactly the same genes but different chromosomes.
C) Monozygotic twins have exactly the same genotype and phenotype, whereas
dizygotic twins do not.
D) Dizygotic twins are less similar genetically than monozygotic twins, but more
similar genetically than regular siblings. ......answer.....A) Monozygotic twins
begin as the same zygote, whereas dizygotic twins begin as two separate
zygotes.
Anita is a developmental psychologist who wants to study how speech develops
over childhood, at 6 months, 1, 3, and 6 years of age. Anita's study design
involves a day-long battery of cognitive testing with children from each of the
,four age groups. Which of the following statements is TRUE with regards to her
study?
A) Anita would not be able to make any conclusions about speech development,
since she is using different children for each age group.
B) One limitation of Anita's design is that she cannot make any definitive
conclusions about how speech develops across individuals, only the groups as a
whole.
C) A significant problem with this longitudinal design is losing subjects before
the study is completed.
D) Anita's experimental design is more expensive to run than if she were to follow
children as they age, rather than using different children at each age group.
......answer.....B) One limitation of Anita's design is that she cannot make any
definitive conclusions about how speech develops across individuals, only the
groups as a whole.
Which of the following best describes the difference between the canalization and
range-of-reaction principles?
A) The canalization principle is only affected by extreme environments, while the
range of reaction can be affected by less extreme environments.
, B) The canalization principle explains the development of behaviours necessary
for survival, while the range-of-reaction principle explains non-essential
behaviours.
C) The canalization principle states that the phenotype is fully independent of the
environment, while the range-of-reaction principle states that the phenotype is
affected by the environment.
D) The canalization principle is responsible for phenotypes in the early years of
life, while the range-of-reaction principle takes over in later years.
......answer.....A) The canalization principle is only affected by extreme
environments, while the range of reaction can be affected by less extreme
environments.
Which of the following correctly outlines a difference between critical periods and
sensitive periods?
A) Critical periods state that our genes affect the environmental stimulation our
brain receives during childhood, whereas sensitive periods state that our genes
affect the environmental stimulation we seek, which can span into adulthood.
B) The window of opportunity for critical periods exists from birth until adulthood,
whereas the window of opportunity for sensitive periods exists during adulthood
only.
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