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Tip: Understanding Rank

PEP-Web Tip of the Day

When you do a search, you can sort the results bibliographically alphabetical or by “rank”. What is Rank?

Rank refers to the search engine’s “best guess” as to the relevance of the result to the search you specified. The exact method of ranking used varies a bit depending on the search. In its most basic level, when you specify a single search term, rank looks at the density of the matches for the word in the document, and how close to the beginning of the document they appear as a measure of importance to the paper’s topic. The documents with the most matches and where the term is deemed to have the most importance, have the highest “relevance” and are ranked first (presented first).

When you specify more than one term to appear anywhere in the article, the method is similar, but the search engine looks at how many of those terms appear, and how close together they appear, how close to the beginning of the document, and can even take into account the relative rarity of the search terms and their density in the retrieved file, where infrequent terms count more heavily than common terms.

To see a simple example of this, search for the words (not the phrase, so no quotes):

unconscious communications

Look at the density of matches in each document on the first page of the hits. Then go to the last page of matched documents, and observe the density of matches within the documents.

A more complex search illustrates this nicely with a single page and only 15 matches:

counter*tr* w/25 “liv* out” w/25 enact*

There are a lot of word forms and variants of the words (due to the * wildcards) above that can match, but the proximity (w/25) clause limits the potential for matching. What’s interesting here though is how easily you can see the match density decrease as you view down the short list.

The end result of selecting order by rank is that the search engine’s best “guess” as to which articles are more relevant appear higher on the list than less relevant articles.

For the complete list of tips, see PEP-Web Tips on the PEP-Web support page.

Search Results
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Results 1 - 30 of 30 for your search on "Gaddini, Eugenio":

Gaddini, E. (1987). Notes on the Mind—Body Question. Int. J. Psycho-Anal., 68:315-329. […]
Gaddini, E. (1982). Early Defensive Fantasies and the Psychoanalytical Process. Int. J. Psycho-Anal., 63:379-388. […]
Gaddini, E. (1972). Aggression and the Pleasure Principle: Towards a Psychoanalytic Theory of Aggression. Int. J. Psycho-Anal., 53:191-197. […]
Gaddini, E. (1969). On Imitation. Int. J. Psycho-Anal., 50:475-484. […]
Gaddini, E. (1986). La maschera e il cerchio. Rivista Psicoanal., 32(2):175-186. […]
Gaddini, E. (1984). Se e come sono cambiati i nostri pazienti fino ai nostri giorni. Rivista Psicoanal., 30(4):560-580. […]
Gaddini, E. (1982). Fantasie difensive precoci e processo psicoanalitico. Rivista Psicoanal., 28(1):1-14. […]
Gaddini, E. (1981). Paths through the Creativity of Bion. Rivista Psicoanal., 27(3-4):384-398. […]
Gaddini, E. (1981). Note sul problema mente-corpo. Rivista Psicoanal., 27(1):3-29. […]
Gaddini, E. (1980). IV Congresso Nazionale della Società Psicoanalitica Italiana Taormina, 30 maggio — 3 giugno 1980. Rivista Psicoanal., 26(2):279-287. […]
Gaddini, E. (1979). Il tempo di un anniversario. Rivista Psicoanal., 25(1):1-3. […]
Gaddini, E. (1977). Formazione del padre e scena primaria. Rivista Psicoanal., 23(2):157-183. […]
Gaddini, E. (1972). Oltre L'istinto di morte: Problemi della ricerca psicoanalitica sull'aggressività. Rivista Psicoanal., 18(1):179-198. […]
Gaddini, E. (1972). Aggressività e principio del piacere. Verso una teoria psicoanalitica dell'aggressività. Rivista Psicoanal., 18(1):139-153. […]
Gaddini, E. (1968). Sulla imitazione. Rivista Psicoanal., 14(3):235-260. […]
Gaddini, E. (1965). I. L'arte come espressione clinica. Rivista Psicoanal., 11(3):227-232. […]
Gaddini, E. (1965). Contributo allo studio dell'Effetto P.E.S. nella situazione analitica ). Rivista Psicoanal., 11(1):9-32. […]
Gaddini, E. (1964). Ricordo di Felix Deutsch. Rivista Psicoanal., 10(1):5-6. […]
Gaddini, E. (1963). Psicoanalisi e fattori socio-culturali. Rivista Psicoanal., 9(3):235-240. […]
Gaddini, E. (1962). Sui fenomeni costitutivi del controtransfert. Rivista Psicoanal., 8(2):97-118. […]
Gaddini, E. (1982). Acting out in the Psychoanalytic Session. Int. J. Psycho-Anal., 63:57-64. […]
Gaddini, E. Kuchenbuch, A. (1978). Dialogue on 'Different Types of Anxiety and their Handling in the Psychoanalytic Situation'. Int. J. Psycho-Anal., 59:237-243. […]
Gaddini, E. (1976). Discussion of 'The Role of Family Life in Child Development'—On 'Father Formation' in Early Child Development. Int. J. Psycho-Anal., 57:397-401. […]
Gaddini, E. (1974). A Discussion of the Paper by Henry Edelheit on 'Crucifixion Fantasies and their Relation to the Primal Scene'. Int. J. Psycho-Anal., 55:201-204. […]
Gaddini, E. (2007). Reflexiones sobre el problema mente-cuerpo. Rev. Psicoanál. Asoc. Psico. Madrid, 52(7):21-45. […]
Gaddini, E. (1983). Terapia e conoscenza in psicoanalisi. Rivista Psicoanal., 29(1):14-22. […]
Gaddini, E. (1981). Itinerari nella creatività di Bion. Rivista Psicoanal., 27(3-4):368-382. […]
Gaddini, E. (1964). ÜBER KONSTITUTIVPHÄNOMENE DER GEGENÜBERTRAGUNG. Psyche – Z Psychoanal., 18(2):139-159. […]
Gaddini, E. (1983). Sulla traduzione italiana del lavoro di Melanie Klein: “Der Familienroman in Statu nascendi”. Rivista Psicoanal., 29(4):557-558. […]
Gaddini, E. (1974). I settanta di Emilio Servadio. Un tributo. Rivista Psicoanal., 20(1):5-13. […]
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