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Investigating the relationship between two variables to determine whether they occur together or not in a systematic way. Used to identify trends or patterns in data.

Gathering data from a large number of respondents via questionnaires or interviews. Use this method to collect data on attitudes, beliefs, experiences, or behaviors from a larger sample.

An in-depth investigation of an individual, group, or event. Use this method to gather detailed, qualitative insights into complex issues that may not be well understood.

Research that analyzes data from a population, or a representative subset, at a specific point in time. Use it for quick data collection to assess the prevalence of an outcome.

A statistical method that combines the results of several studies addressing a set of related research hypotheses. Ideal for pooling data and deriving conclusions.

Observing subjects in their natural environment without interference. Ideal for studying behaviors as they unfold in real-life settings.

A method involving the manipulation of variables to test a hypothesis. This method establishes cause-and-effect relationships.

Research that follows the same subjects over a prolonged period. This method helps in understanding how variables change over time.

Comprehensive survey and synthesis of the literature on a particular topic. It provides an overview of the current knowledge, allowing researchers to identify patterns, themes, and gaps in the research.