Locate meta-analyses, empirical studies & literature reviews in PsycINFO

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2 of 2PsychINFO contains studies carried out using different types of methodologies including meta-analyses, literature reviews, and interviews.

This tutorial will help you locate and read some of these types of studies.

What is an Empirical Study?

An empirical study reports the results of a study using data from observation or experimentation.

Many different types of methodologies are empirical including meta analyses and experimental studies.

An empirical study will include:

  • An abstract
  • An introduction
  • A method section
  • A results section
  • A discussion/conclusion section
  • References

Locate an empirical study

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Let's use the PsycINFO to locate different types of studies on the topic of eyewitness identification. 

                

Your Turn:

  • In the Search eyewitness identification

Locate an empirical study

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Look at the list of results.

What types of results do you see?

 

Locate an empirical study

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Your Turn:

  • Using the Refine Results panel, scroll down to Methodology
  • Select Empirical Study

This will give you a list of empirical studies that have been conducted on the topic of eyewitness identification.

Locate an empirical study

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Your Turn:

  • Click on the article "How Sure Are You That This is the Man You Saw?..."
  • Click on HTML Full Text

        

Locate an empirical study

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You should now the see the article and a list of links under Contents menu.

Your Turn:

  • Click on Method
  • Read the first paragraph - Participants and Design

Locate an empirical study

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Who participated in this study?

Locate an empirical study

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Your Turn:

  • Read the first paragraph under Materials - Target event and lineup stimuli

What material was used in the experiment?

Locate an empirical study

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Your Turn:

  • Scroll down to the Results section
  • Read the first paragraph

What is one analysis that the researchers performed on the data collected?

Locate an empirical study

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Your Turn:

  • Scroll down to the Discussion section
  • Read the paragraph under Age

According to the researchers, what role did age play in the results?

Locate a meta-analysis

A Meta-analysis is the statistical analysis of results from numerous independent studies within the same research subject.

Researchers can convert a range of study results into data points, and use them to show patterns or phenomenon.

A meta-analysis includes:

  • A research question
  • A set of representative studies reviewed and coded for important information
  • A systematic analysis of the data
  • A set of conclusions that can be used to guide future research

 

Locate a meta-analysis

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Your Turn:

  • Type eyewitness identification into the PsycINFO search box.
  • Click Search

Locate a meta-analysis

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Your Turn:

  • Using the Refine Results side menu scroll down and locate the arrow next to Methodology
  • Click Methodology
  • Select meta analysis

This will give you a list of meta analyses written on eyewitness identification.

Read a Meta Analysis

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Your Turn:

  • Click the article "Eyewitness Identification Across the Life Span: A Meta-Analysis of Age Differences"
  • Click the HTML Full Text link
  • Click Methods in the Contents menu

Read a Meta Analysis

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  • Locate the Method section
  • Read the first paragraph, "Literature Search, Search Procedure"

    How many databases did the authors use to locate articles for inclusion in the analysis?

Read a Meta Analysis

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Read the second paragraph - Inclusion Criteria

Read the second paragraph - Inclusion Criteria

Which of the following characteristics was required for a study to be included in this meta analysis?

Read a Meta Analysis

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Read the next paragraph - Characteristics of the final dataset

How many total studies were included in the final analysis?

Read a Meta Analysis

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Scroll down to the Lineup response outcomes section and read the first paragraph.

After analyzing all the studies, what did researchers find?

What are Literature Reviews?

A literature review is a summary and synthesis of published studies in a specific research area, providing new interpretation of material or tracing history and progression of the field.

           

A literature review:

  • can be on its own or will be present in academic research papers
  • is good for getting an overview of a topic
  • can establish credibility for an author of a research paper including a literature review.

Locate Literature Reviews

Let's look for literature reviews on the same subject.

Your Turn:

  • Return to the original search results page
  • Under the Refine Results panel, scroll down to Methodology
  • Select literature review

This will give you a list of literature reviews that have been conducted on the topic of eyewitness identification

Now you practice

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What is a meta-analysis?

Now you practice

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You will need to conduct a search in PsycINFO to answer the following question.

How many Meta-analyses are there on the topic of eyewitness identification in the PsycINFO database?

Now you practice

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Locate this article: "Memory strength and lineup presentation moderate effects of administrator influence on mistaken identifications". (It is in your list of search results).

Who is the one of authors of this article?

Now you practice

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What is an empirical study?

Now you practice

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You will need to conduct a search in PsycINFO to answer the following question.

How many Empirical studies are there on the topic of eyewitness identification in the PsycINFO database?

Now you practice

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Scroll down and locate this article, "Double-blind photo lineups using actual eyewitnesses: An experimental test of a sequential versus simultaneous lineup procedure."

Open the abstract of the article by clicking on the article title.

What do the authors conclude based on their results?

Now you practice

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What is a literature review?

Now you practice

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You will need to conduct a search in PsycINFO to answer the following question.

How many literature reviews are there on the topic of eyewitness identification in the PsycINFO database?

Now you practice

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Locate this article:  (It is in your list of search results). "Sequential vs. Simultaneous Lineups: A Review of Methods, Data, and Theory"

Open the abstract of the article by clicking on the article title.

What do the authors of this review discuss?

 

 

 

 

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