Weighing the Evidence the Results of an Experiment Are Statistically

question 50

Multiple Choice

Weighing the Evidence The results of an experiment are statistically significant when

• A)the difference between group scores exceeds normal variability.
• B)the difference between treatment means is large.
• C)they can be replicated.
• D)variability in each treatment condition is high.

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Definitions:

Environmental Factors

Elements in the surrounding environment that can influence living organisms, including natural resources, pollution levels, and climate.

Family History Studies

Research that examines patterns of illness within families to identify genetic or environmental factors that contribute to the likelihood of developing certain diseases or conditions.

Dizygotic Twins

Twins that develop from two different eggs fertilized by two different sperm cells, also known as fraternal twins.

Genes

Units of heredity made up of DNA, residing in the chromosomes; they are responsible for guiding the cell in making proteins and determining an organism's inherited traits.