Organizational signals are writing devices, such as headings or summaries, that emphasize a text's topics and structure without adding new semantic content.

Definition of Organizational Signals in Text

The signaling, or cueing, principle explains how headings may support reading comprehension by functioning as organizational signals. Signaling may be textual or graphical and can take forms such as headings or summaries, font colors, text–picture references, intonation in auditory text, and combinations of these forms.

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In our design each node includes a summary of a text with headings. Incorporating headings in each node is aligned with previous findings on the positive impact of heading on free recall [brooks1983effects]

Headings help comprehension

  Common Characteristics of headings
- headings separate subsections of text
- distinguished from the text by using different typeface and placement
- are always placed before the chunk of text it clarifies
- the relation between headings and the subsections could be strong or weak
- could indicate organization and placement of subsections 
  
  Headings could be
- a single word
- a short phrase of the main topic 
- a question about the theme


Characteristics of Headings

- appear before the content
- distinguished from the text by having different typeface and placement
- often defines the major topic of the text 
- often its “scope” covers the entire text 

Characteristics of a Title

Schneider, S., Beege, M., Nebel, S., & Rey, G. D. (2018). A meta-analysis of how signaling affects learning with media. Educational Research Review, 23, 1-24.

A meta-analysis of how signaling affects learning with media

- Both have a facilitative effect on readers’ recall
- Headings and outlines accompanied text resulted in the greatest overall levels of recall
- Outlines promote the recording task better among all conditions
- The explanation for the effect of headings
     - A schema activation process activates content schemata
     - The signaling effect (function as retrieval cues)
- Special explanation for the effect of outlines
     - Knowledge of text organization


The effect of outlines and headings on readers' recall of text

Three sets of operations
- the meaning elements of the text are organized into a coherent whole, a process that results in multiple processing of certain elements resulting in different retention
- condenses the full meaning of the text into its main points
- generates new texts from the results of the comprehension process

A model for text comprehension

Headings can influence cognitive processing in three ways: (a) they act as cues that activate readers' prior knowledge relevant to a topic, (b) they emphasize the relationships between concepts and facts in a text, and (c) they serve as retrieval cues that aid subsequent recall of the material.

Headings influence cognitive processing

- 577 Secondary 6 students
- three performance groups: High, Medium, and Low
- Version 1 was a non-signaled passage
- Version 2 was embedded with logical connectives
- Version 3 titled with paragraph headings
- Version 4 contained both (logical connectives & paragraph headings)
- Version 3, paragraph headings as signals, facilitates both microstructure and microstructure of text understanding.

Signals and reading comprehension - theory and practice

Brooks, L. W., Dansereau, D. F., Spurlin, J. E., & Holley, C. D. (1983). Effects of headings on text processing. Journal of Educational Psychology, 75(2), 292. https://doi.org/10.1037/0022-0663.75.2.292

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