A Study That Compares Two Groups That Differ on the Variable

question 42

Multiple Choice

A study that compares two groups that differ on the variable under study at the outset of the study is called a(n) :

• A) longitudinal study.
• B) cross-sectional study.
• C) retrospective study.
• D) quasi-experiment.

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Definitions:

DNA Strands

The two long chains of nucleotides that twist around each other to form a double helix structure, which is the physical basis of DNA.

RNA Synthesis

The process of transcribing RNA molecules from DNA templates by RNA polymerase, a crucial step in gene expression.

Mitotic Spindle

A structure composed of microtubules that forms during cell division to separate chromosomes into each of the two daughter cells.

Anaphase

Stage of mitosis in which the chromosomes move to opposite poles of the cell; anaphase occurs after metaphase and before telophase.