Inherent in the Cross-Sectional Method Is the Possibility That Age

question 102

Multiple Choice

Inherent in the cross-sectional method is the possibility that age and cohort will be confounded.In a cohort effect what other variable, other than the age of the subjects, could influence the results?

• A)the ethnic background of the subjects
• B)an observer bias
• C)differences between individuals in the groups in their interpretation of the experiences they have shared
• D)differences between groups in the experiences they had during the time period in which they grew up (e.g., 1970s vs.1990s)

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Definitions:

Spindle

Collection of microtubules that assist in the orderly distribution of chromosomes during cell division.

Plant Cells

Cells that are the basic building blocks of plant life, characterized by a rigid cell wall, chloroplasts for photosynthesis, and a large central vacuole.

Centrosomes

Organelles that serve as the main microtubule organizing centers in animal cells, playing a critical role in cell division.

Crossing-Over

Exchange of segments between non-sister chromatids of a bivalent during meiosis.