longitudinally

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longitudinally

The researchers studied the children's development longitudinally over several years.

Definition

Adverb 1. In a way that relates to or is measured along the length of something: In the direction of the longest dimension of an object. 2. Over a long period of time, tracking changes or development: Involving repeated observations or measurements of the same subjects across time.

Usage

The adverb "longitudinally" describes an action or measurement taken along the length of an object or a study conducted over an extended period.

Examples
  • The engineer placed the sensors longitudinally along the bridge's main beam to measure stress.
  • The team studied the health effects longitudinally, collecting data from the same group of participants every five years for two decades.
  • To increase strength, the fibers in the composite material are aligned longitudinally.
Advanced Usage
  • In research methodology: A "longitudinally" designed study is one that follows the same subjects over time, contrasting with a cross-sectional study that observes different subjects at a single point in time.
    • The research provided valuable insights because it tracked the cohort longitudinally from childhood to adulthood.
Variants and Related Words
  • Longitudinal (Adjective): Of or relating to length, or conducted lengthwise. Also, involving the study of phenomena over time.
    • The longitudinal study revealed trends that were not visible in annual surveys.
    • The boat has longitudinal wooden planks.
Synonyms
  • Lengthwise: In the direction of the length.
  • Long-term: Over a long period (for the time-related sense).
  • Over time: During a period of time (for the time-related sense).
Antonyms
  • Laterally: In a side-to-side direction; from the side.
  • Transversely: In a crosswise direction; across.
  • Cross-sectionally: Involving analysis at a single point in time (for the research sense).
longitudinally

The researchers studied the children's development longitudinally over several years.

Adverb
  1. with respect to longitude
    • longitudinally measured
  2. in the direction of the length
    • He cut the paper lengthwise
  3. across time
    • We studied the development of the children longitudinally

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