When Researchers Use a ____________ Design, They Typically Find That

question 283

Multiple Choice

When researchers use a ____________ design, they typically find that both fluid and crystallized intelligence decline relatively early in life, but when they use a(n) ___________ design, they often find that both of these abilities remain stable until much later in life.

• A)correlational; experimental
• B)cross-sectional; longitudinal
• C)naturalistic observation; self-report
• D)placebo; double-blind

---

Definitions:

Vasodilation

The widening of blood vessels, which decreases blood pressure and increases blood flow to certain areas of the body.

Skin Temperature

A measure of the surface temperature of the body, which can be influenced by various internal and external factors.

Qi Gong

A system of coordinated body posture and movement, breathing, and meditation used for health, spirituality, and martial arts training.

Meditation

A practice where an individual uses a technique such as mindfulness to focus their mind on a particular object or thought to achieve a mentally clear and emotionally calm state.