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Chapter Glossary
TABLE 7-40: GLOSSARY OF ESSENTIAL TERMS

Common
Term Plain-language explanation
abbreviation

A bounded formulation stating what will be studied and how
Research question -
the answer would be recognized.

What is happening and what current knowledge does not
Problem and gap -
settle.

Operational
- Turning a concept into something observable or measurable.
definition

Hypothesis - A testable expectation about a relationship or a difference.

Analysis that searches for patterns without a pre-stated
Exploratory analysis -
hypothesis.

Confirmatory Analysis that tests a hypothesis specified before the data were
-
analysis seen.

Concepts, synonyms, sources, and limits, documented so they
Search strategy -
can be re-run.
Controlled Standard subject terms used by an index to group related
-
vocabulary works.

Sensitivity and
- Finding what is relevant, against reducing what is not.
precision
Searching backwards through references and forwards
Citation chaining -
through citing works.
Reports, theses, protocols, and standards outside commercial
Grey literature -
journals.
An interpretive account of a field without a full systematic
Narrative review -
search.

Scoping review - A map of a broad field, the types of evidence, and the gaps.

An answer to a defined question with a documented,
Systematic review -
repeatable method.

A time-limited review with declared methodological trade-
Rapid review -
offs.

Evidence map - A display of where evidence exists and where the gaps lie.

Meta-analysis - Quantitative pooling of comparable effect sizes.

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