Taking a Broader Perspective: the Problem of External Validity When

question 48

Multiple Choice

Taking a Broader Perspective: The Problem of External Validity When independent variables produce stronger effects on some dependent variables than others, this represents a(n)

• A)difference in trends.
• B)higher-order interaction.
• C)main effect.
• D)interaction.

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Definitions:

Mitotic Spindle

Structure consisting mainly of microtubules that provides the framework for chromosome movement during cell division.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA.

Centrosome

An organelle in animal cells that is the main microtubule-organizing center; typically contains a pair of centrioles and is important in cell division.

Golgi Complex

An organelle in eukaryotic cells involved in modifying, sorting, and packaging proteins and lipids for export or use within the cell.