PSYC 2583 Exam 1 Study Set Actual with
Questions and verified Answers
According to developmental psychologists, which of the following is true? - ANSWER-Development is
influenced by the joint workings of nature and nurture
Which of the following pairs of variables are likely to be negatively correlated? - ANSWER-number of
parties attended per week and GPA.
Cassandra, Ali, and Emily all use the same stainless steel yardstick to measure how far a participant can
jump from a standing start. They all get similar results. They have faith in their method because the
measure they are using is high in: - ANSWER-reliability
A team of researchers is studying whether stable individual differences exist in sleeping behavior at
various ages. They decide to assess and compare sleeping behavior in children who are 3-month-olds, 6-
month-olds, and 9-month-olds. They use different children in each age group. What type of design are
they using to examine this question? - ANSWER-cross sectional
What is the most reasonable way to view development? - ANSWER-it depends on how you look/how
often you look
Which of the following describes an infant who is most likely suffering from colic? - ANSWER-Vivian, who
cries for several hours per day for unexplained reasons
Which of the following senses is the least active while the fetus is in the womb? - ANSWER-sight
Which person at the county health clinic is at increased risk for miscarriage or post-birth complications
for the infant? - ANSWER-a 38 year old female who works as a wine critic
Which of the following statements is true about fetal alcohol syndrome? - ANSWER-Fetal alcohol
exposure can result in behavior/learning difficulties due to changes in the brain
Which of the following is not an example of a teratogen? - ANSWER-influenza vaccine
Molly's natural hair color is brown, but she dyes it blonde. In the context of genes and the environment,
Molly has changed her - ANSWER-phenotype
An individual's genetic sex is determined by - ANSWER-the sex chromosomes contributed by the father
The points at which neurons communicate with one another are called - ANSWER-synapses
A twin-study project reveals that the correlation between identical twins on a given trait is substantially
higher than that between fraternal twins. Which of the following statements offers the most plausible
explanation for the difference in how this trait is correlated in identical twins compared with fraternal
twins? - ANSWER-Genetic factors are substantially responsible for the difference in the correlation
The genetic material an individual inherits is called the - ANSWER-genotype
A researcher presents an infant with two objects. To determine whether the infant is able to discriminate
between the objects and favors one over the other, the researchers measures the amount of time the
infants pends looking at each object. Which experimental technique is this researcher using? - ANSWER-
preferential- looking technique
Jane is a 2-month-old infant. She wants to get her hands on the rattle that is lying next to her, however,
all she can do is make very clumsy swiping motions in the general vicinity of the toy. Jane's movements
are known as - ANSWER-pre-reaching movements
6-month-old Kevin is lying in his crib. His mother hides from view, then pops out above him and yells
"Boo!". Kevin squeals with delight, but after his mother repeats her actions a few times, his excitement
Questions and verified Answers
According to developmental psychologists, which of the following is true? - ANSWER-Development is
influenced by the joint workings of nature and nurture
Which of the following pairs of variables are likely to be negatively correlated? - ANSWER-number of
parties attended per week and GPA.
Cassandra, Ali, and Emily all use the same stainless steel yardstick to measure how far a participant can
jump from a standing start. They all get similar results. They have faith in their method because the
measure they are using is high in: - ANSWER-reliability
A team of researchers is studying whether stable individual differences exist in sleeping behavior at
various ages. They decide to assess and compare sleeping behavior in children who are 3-month-olds, 6-
month-olds, and 9-month-olds. They use different children in each age group. What type of design are
they using to examine this question? - ANSWER-cross sectional
What is the most reasonable way to view development? - ANSWER-it depends on how you look/how
often you look
Which of the following describes an infant who is most likely suffering from colic? - ANSWER-Vivian, who
cries for several hours per day for unexplained reasons
Which of the following senses is the least active while the fetus is in the womb? - ANSWER-sight
Which person at the county health clinic is at increased risk for miscarriage or post-birth complications
for the infant? - ANSWER-a 38 year old female who works as a wine critic
Which of the following statements is true about fetal alcohol syndrome? - ANSWER-Fetal alcohol
exposure can result in behavior/learning difficulties due to changes in the brain
Which of the following is not an example of a teratogen? - ANSWER-influenza vaccine
Molly's natural hair color is brown, but she dyes it blonde. In the context of genes and the environment,
Molly has changed her - ANSWER-phenotype
An individual's genetic sex is determined by - ANSWER-the sex chromosomes contributed by the father
The points at which neurons communicate with one another are called - ANSWER-synapses
A twin-study project reveals that the correlation between identical twins on a given trait is substantially
higher than that between fraternal twins. Which of the following statements offers the most plausible
explanation for the difference in how this trait is correlated in identical twins compared with fraternal
twins? - ANSWER-Genetic factors are substantially responsible for the difference in the correlation
The genetic material an individual inherits is called the - ANSWER-genotype
A researcher presents an infant with two objects. To determine whether the infant is able to discriminate
between the objects and favors one over the other, the researchers measures the amount of time the
infants pends looking at each object. Which experimental technique is this researcher using? - ANSWER-
preferential- looking technique
Jane is a 2-month-old infant. She wants to get her hands on the rattle that is lying next to her, however,
all she can do is make very clumsy swiping motions in the general vicinity of the toy. Jane's movements
are known as - ANSWER-pre-reaching movements
6-month-old Kevin is lying in his crib. His mother hides from view, then pops out above him and yells
"Boo!". Kevin squeals with delight, but after his mother repeats her actions a few times, his excitement
