test 1 Flashcards
Life-span development covers the period from __________ to __________.
conception; death
Most developmentalists tend to believe that…
Development is influenced by nature and nurture, and is it characterized by continuity and discontinuity and also by stability and change.
What are the steps of the Scientific Method?
Conceptualize a problem to be studied, collect research information, analyze data, and draw conclusions
Studying the influences of the unconscious mind and early experiences with parents are paramount in what theories?
Psychoanalytic theories
Studying what can be observed and measured is important to what theory of development?
Behaviorism
A main problem with survey research is what?
Participants may lie
The love a parent has for a child is an example of a __________________ connection.
Socioemotional.
What developmental stage reflects complete dependence on the parents?
Infancy
According to Skinner, what would you use to change a behavior?
Positive and negative reinforcements.
Natural selection favors individuals of a species that are best able to …
survive; reproduce
What is a double-helix-shaped molecule that contains genetic information?
DNA
All of a person’s genetic material makes up the __________, whereas the __________ consists of only observable characteristics.
genotype; phenotype
Exposure to teratogens after organogenesis is complete is most likely to result in
stunted growth
Maternal exposure to intense feelings and stress can have a long-term on her child after birth
True
Early maturation in girls is linked to?
problem behaviors such as smoking, drinking, and having an eating disorder
A newborn’s brain is __________ percent of its adult weight and grows to __________ percent of its adult weight by 2 years of age.
25; 75
The prefrontal cortex, which is the highest level of the frontal lobes, is involved in reasoning, decision making, and self-control. It finishes most of its development during
late adolescence
The amygdala, a structure particularly involved with emotion, matures much earlier than the prefrontal cortex. This may account for which of the following?
adolescents’ risky, impulsive behavior
What happens to the brain’s weight and volume as it ages?
weight and volume decrease
What hormone is produced by the brain’s pineal gland when preparing the body for sleep?
melatonin
What is the purpose of reflexes in an infant’s behavior?
Survival until they have an opportunity to learn adaptive behaviors
What reflex is characterized by an infant arching their back, throwing back their head, and flinging out their arms?
Moro
Due to the reflex, stroking the cheek of a newborn will elicit this behavior________.
Rooting
Peal physical performance usually happens before age________
30