As Experimental Control Increases

question 34

Multiple Choice

As experimental control increases:

• A) external validity decreases.
• B) external validity increases.
• C) the more relevant the study to real-world problems.
• D) we become less able to rule out alternative hypotheses.

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Definitions:

Epigenetic Molecules

Molecules that can modify the structure of DNA or chromatin without altering the DNA sequence itself, thus affecting gene expression.

Diet And Stress

Diet and stress are interconnected, with certain dietary choices potentially exacerbating stress levels, while a balanced diet may help in managing stress more effectively.

Gene Expression

The method through which the data encoded within a gene guides the construction of a protein molecule.

Epigenetic Mark

Modifications to the DNA or associated proteins, other than changes in the DNA sequence, that affect gene activity and expression.