Which of the Following Statements Is True of Correlational Studies

question 103

Multiple Choice

Which of the following statements is true of correlational studies?

• A) They establish a positive correlation among the variables examined in the study
• B) They use a correlational coefficient as a statistical index for measuring the relationship among variables
• C) They rarely have the third-variable problem
• D) They are typically inexpensive and require little time

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Definitions:

Tracheids

Elongated cells in the xylem of vascular plants, serving in the transport of water and mineral salts.

Sieve-Tube Members

Plant cells that are part of the phloem and responsible for transporting sugars and other nutrients throughout the plant.

Apical Meristem

The growth region in plants found at the tips of roots and shoots, responsible for primary growth.

Parenchyma

Fundamental tissue in plants responsible for photosynthesis, storage, and tissue repair, consisting of living cells with diverse functions.