Suppose a Researcher Is Performing an Experiment on Children

question 25

Multiple Choice

Suppose a researcher is performing an experiment on children. She tests the children on one level of the independent variable at the beginning of the school year, but cannot return to test the second level until mid-April, when the school year is almost completed. What threat to internal validity may be a problem?

• A) History
• B) Selection bias
• C) Maturation
• D) Experimenter bias

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Definitions:

Qing Dynasty

The last imperial dynasty of China, ruling from 1644 to 1912, known for its significant cultural, social, economic, and territorial expansion.

Jesuit Missionaries

Members of the Society of Jesus, a Roman Catholic religious order, who travel abroad to evangelize or perform ministry work, often in challenging conditions or remote locations.

Imperial Court

The household and governing body surrounding a monarch or emperor, typically involving a complex hierarchy and rituals.

Ming Period

A dynasty in China spanning from 1368 to 1644, known for its advancements in literature, architecture, and a flourishing of culture and arts.