Lecture 3

Question 1

must be the first disclosure containing sufficient information to enable peers to assess observations, repeat experiments and to evaluate intellectual processess

Answer 1

primary source

Question 2

includes most books, review articles, and indexes to the literaature, and usually summarize, reviews or organize information

Answer 2

secondary source

Question 3

a measure of a particular journal;s impact based on how often that journal;s articles are citied

Answer 3

impact factor

Question 4

steps to conduct a search

Answer 4

1. define the question
2. choosing a resource
3. keyword searching vs. classification systems
4. search techniques

Question 5

the most difficult step when conducting a search

Answer 5

defining the question

Question 6

PICO stand for

Answer 6

patient or problem
intervention
comparison if relevant
outcomes

Question 7

literal search looks for occurrences of words

Answer 7

keyword search

Question 8

when to use keyword search

Answer 8

current topics, not easy to describe concepts, no vocab exists in database

Question 9

very current projects/topics

no knowledge of controlled vocab necessary

slang

broad concepts

Answer 9

pros of keyword search

Question 10

not consistent

burden on end-user to discover synonyms

too many irrelevant results

difficult to limit results

Answer 10

cons of keyword searching

Question 11

set of words or phrases used to describe concepts, dictionary of accepted terms for a database

Answer 11

controlled vocabularies

Question 12

burden on database to discover variations in terms

consistency and reproducible searches

specific and targeted

Answer 12

pros to controlled vocabularies

Question 13

restrictive

burden on end-user to learn vocab

vocab differ no consistencey

Answer 13

cons of controlled vocabularies

Question 14

Boolean operators

truncation

phrases

parentheses

explode

Answer 14

search techniques

Question 15

many search engines allow you to place a symbol at the end of a word, which tells the engine to retrieve the word stem with different endings

Answer 15

truncation

Question 16

AND OR NOT

Answer 16

boolean operators

Question 17

this will limit the results of the search to sources that contain the exact phrase

Answer 17

quotation marks

Question 18

are used to appropriately group the terms and operators to control the order of the search

Answer 18

parentheses

Question 19

instructs the search engine to retrieve the info with a broad subject heading that are broken down into narrower subject headings

Answer 19

explode

Question 20

the degree to which the results of a study are likely to approximate to the truth

Answer 20

internal validity

Question 21

the extent to which effects observed are applicable to a broader population, inference can only correctly be made to the population from which the sample was drawn

Answer 21

external validity (generalizability)