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HDFS 230: Questions & Solutions (Correct And Verified)
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HDFS 230: Questions & Solutions (Correct And Verified)
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HDFS 230: Questions & Solutions (Correct AndVerified)
The science of human development seeks to understand: Right Ans - how
and why people change over time
Dr. Schmidt predicts that a certain drug will reduce hallucinations in patients
with schizophrenia. Her prediction is called: Right Ans - a hypothesis
IRB stands for: Right Ans - Institutional Review Board
__________________ research involves studying the same individuals over time, as
their development is repeatedly assessed. Right Ans - Longitudinal
An independent variable is: Right Ans - the variable that is intentionally
manipulated by the researcher
A dependent variable is: Right Ans - the measured variable that may
change depending on manipulation of an independent variable
Epigenetics is: Right Ans - the study of how the environment aects which
genes are expressed
A hypothesis is a(n): Right Ans - prediction that can be tested
The basic principles of Lifespan Theory include all of the following but
Right Ans - Continuity
Replication involves: Right Ans - the repetition of a study using dierent
participants.
All humans have about 100,000 genes Right Ans - False
Teratogens increase the risk of harm but do not always cause damage
Right Ans - True
The longest period of prenatal develop is the ___________period. Right Ans -
fetal
, In the third sage of labor, the: Right Ans - placenta is delivered
The Apgar scale is used at one minute and ve minutes after birth to: Right
Ans - evaluate the health of the newborn
The single cell formed from the union of two gametes, a sperm and an ovum, is
called a: Right Ans - zygote
Couples can select the sex of a child by all of the following methods EXCEPT:
Right Ans - selecting only X eggs for fertilization
Low folic acid during pregnancy can result in: Right Ans - neural-tube
defects
In MOST cases, newborns: Right Ans - breathe and cry on their own
immediately
The ____________ is a person's appearance, personality, intelligence, and all
other traits. Right Ans - phenotype
Synapses are: Right Ans - interactions where the axons of one neuron meet
the dendrites of another neuron
A life threatening condition that occurs when infants are violently moved back
and forth sharply and quickly is called: Right Ans - shaken baby syndrome
Whenever the eyes, ears, tongue, skin, or mouth detect a stimulus, a(n)
_________________ has occurred. Right Ans - sensation
Gross motor skills are: Right Ans - large movements
Infants in the sensorimotor stage: Right Ans - use senses and motor skills
to understand the world
_____________ is the understanding that objects continue to exist when they
cannot be seen Right Ans - Object Permanence
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