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1) AND/OR (Boolean Logic)
Use AND / OR to join search terminology.
- OR - joins similar terms / terms that get at the same issue BROADENS
- AND - joins dissimilar terms NARROWS
Examples: Using OR
- autism OR "autistic spectrum disorder"
- positive psychotherapy OR PPT
- teens OR adolescents OR "young adults"
- "academic performance" OR "academic success" OR "academic achievement"
- "social skills" OR "social competence"
Examples: Using AND
- leaders AND "social skills"
- perception AND competition AND performance
Examples using AND & OR
Sample Search A
treatment OR therapy
ADHD OR "attention deficit hyperactivity disorder"
Question: What strategy might we take if Sample A returns too many results? How could we modify this search?
Sample Search B
deceive OR deception OR lie
"law enforcement" OR police
Question: What strategy might we take if Sample B does not return many results? How could we modify this search?
2) Phrase Searching " "
It is common to search for a specific phrase with "quotation marks ". Most databases will recognize the using of quotation marks to search for two works together.
Examples: " "
- "post traumatic stress disorder"
- "limbic system"
- "social anxiety"
- "early intervention"
- "domestic abuse"
Phrase Searching Narrows
- social anxiety (52553 results in PsycInfo)
- "social anxiety" (7013 results in PsycInfo)
3) Truncation *
Search for alternate forms of a work by truncating it and adding an asterisk *.
- trauma* > trauma, traumas, traumatic
- educ* > educate, education, educator, educated, etc
- perform* > perform, performs, performing, performance
- therap* > therapy, therapies, therapeutic
- trauma AND "mental health" AND child AND sex* (1643 results in PsycInfo)
- trauma* AND "mental health" AND child AND sex* (2000 results in PsycInfo)