Sample Quiz

-Perception and action evolved together. -MD is the development of the perception of affordances

Opportunities for action

1. Individual constraints
2. Environmental constraints
3. Task constraints

1. Individual constraints: – Structural (anatomical, physiological)

• Functional (psychological, cognition).

2. Environmental constraints:

• Physical layout
• sociocultural
• external forces

3. Task constraints:

• Equipment
• rules
• goals

Limit or discourage certain behaviors, permit or encourage other behaviors, and shape behavior.

An individual or group is observed over time, with the same measurements taken at different life stages.

Individuals or groups of different ages are observed at the same time, but change is inferred, not directly observed.

A combination of longitudinal and cross-sectional methods, with overlapping age groups.

1. Independent variable
2. Dependent variable
3. Confounding variable

The variable manipulated by researchers

The variable that is measured

An uncontrolled factor that influences both variables, making it difficult to determine if the independent variable is causing the effect.