A Researcher Tests All the Students in One College and Finds

question 95

Multiple Choice

A researcher tests all the students in one college and finds that the first-borns have higher GPAs than later-born children, on the average. One possible explanation is that the results reflect the influence of birth order. The other explanation is that the results depend on differences between

• A) motivated students and unmotivated students.
• B) one-child families and larger families.
• C) longitudinal studies and cross-sectional studies.
• D) left-handers and right-handers.

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Definitions:

Gate-Control Theory

A theory that suggests the presence of a neurological "gate" in the spinal cord that controls the transmission of pain signals to the brain.

Pain Signals

Biological signals that indicate distress or damage to the body, prompting a reaction to alleviate or remove the source of discomfort.

Basic Tastes

The primary sensory experiences of human taste perception, traditionally classified as sweet, sour, salty, bitter, and umami.

Umami

Umami is one of the five basic tastes, alongside sweet, sour, bitter, and salty, and is characterized by a savory flavor found in foods like tomatoes, cheese, and soy sauce.