WWC Summary of Evidence for this Intervention
Invitations to Literacy
Developed by the Houghton Mifflin Company, an integrated K–82 reading and language arts program. The philosophy behind the program is that literacy instruction should stimulate, teach, and extend the communication and thinking skills that will allow students to become effective readers, writers, communicators, and lifelong learners. The program is structured around themes. It includes hands-on activities that allow students to collaborate or share information on a theme-related project with other classrooms around the world (for example, participating in a collaborative poem-writing exercise) and virtual field trips to Internet sites that have content, activities, and projects related to the theme.
December 2008
As of December 2008, no studies of Invitations to Literacy were found that fell within the
scope of the Beginning Reading review protocol and met WWC evidence standards.
Therefore, the WWC is unable to draw any research based conclusions
about the effectiveness or ineffectiveness of Invitations to Literacy to improve outcomes in this area.
A group of closely related outcomes.
The number of studies that met WWC design standards and provide evidence of effectiveness. Selecting an item below will display all studies that met WWC design studies in the domain. Selecting a study citation will take you to more information on that study and its findings.
For more, please see the WWC Glossary entry for study rating.
Grades of the students examined in the studies that met WWC design standards, which may not reflect the full range of grades for which the intervention may be used.
The number of students included in the studies that met WWC design standards.
The sample size for the studies that met WWC design standards.
An indicator of the effect of the intervention, the improvement index can be interpreted as the expected change in percentile rank for an average comparison group student if that student had received the intervention.
For more, please see the WWC Glossary entry for improvement index.
The indicator represents the highest level of similarity found between your students and each of the high-quality studies of the intervention. Three filled in ovals indicates that at least one study that met standards was conducted on students very similar to yours. Clicking on the indicator for a study will provide information on the similarity for each of the characteristics you selected.
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