HDFS 129 Exam 1 Questions & Answers 2024/2025
Multi-directionality - ANSWERSDevelopment can take many directions.
Differences between individuals become bigger as we get older (babies all look the same); even if you are on a course, it can drastically change.
Plasticity - ANSWERSThe degree...
ex: how does prenatal nutrition affect cognitive development- babies are born prematurely/ at a lower
birth weight are much more at risk for cognitive delay/ non-optimal development.
3 Goals of Scientific Investigation - ANSWERSScience is not defined by what it studies, but by how it
conducts investigation.
Description, Explanation, Optimization.
Description - ANSWERSAverage Trends.
Newborns are typically 20" long and weight 7-7.5 lbs; infants fall into attachment categories; adults lose
weight as they age.
Difficult because so many different variables.
Explanation - ANSWERSWhy do we develop the way we do?
Newborns above or below average weight can have more problems at birth.
Attachment categories are a result of parenting.
Adults lose muscles as they age, less active, cells become less efficient.
Optimization - ANSWERSHow can we help people develop in a positive direction?
How can we stimulate growth in premature infants?
Teach parents what it means to be sensitive.
Cycle of Science - ANSWERSTheory
Hypothesis
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