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Research Design and Methods | CREd Library

Single-Subject Experimental Design: An Overview

CREd Library, Julie Wambaugh, and Ralf Schlosser
Single-subject experimental designs – also referred to as within-subject or single case experimental designs – are among the most prevalent designs used in CSD treatment research. These designs provide a framework for a quantitative, scientifically rigorous approach where each participant provides his or her own experimental control. An Overview of ... Continue to Article >>

Experience Sampling Method

Thomas Sather
Experience sampling refers to a set of data collection methods for gathering systematic self-reports of behaviors, emotions, or experiences as they occur in the individual's natural environment. These procedures may also be labeled as event sampling, real-time data capture, ambulatory assessment, diary method, or ecological momentary assessment in the research ... Continue to Article >>

Monitoring and Reporting Treatment Fidelity

CREd Library and Jacqueline Hinckley
Video: Monitoring and Reporting Treatment Fidelity Treatment fidelity means assuring that the treatment in a research study is conducted consistently and reliably. That is very important is because the outcomes of treatment research ends up affecting patient care and the quality of care that patients receive. In most of our ... Continue to Article >>

Measuring Language: Challenges and Considerations

Gerasimos Fergadiotis
Operational Definitions The first thing is to sit down with the person who is interested in obtaining information about a speaker and have a discussion about what, exactly, we are interested in measuring. The very first step would be to actually define what we want to measure. Sometimes that seems ... Continue to Article >>

Setting Up a Participant Recruitment Database

CREd Library and Floris Singletary
While developing a recruitment database requires an initial investment of time and resources, it can save time in the long term by providing a more efficient system for identifying leads, managing follow up communications, and generating reports for analyzing recruitment trends and issues. When setting up recruitment software, researchers should ... Continue to Article >>

Creating Good Participant Recruitment Materials

CREd Library and Floris Singletary
The ability to recruit an adequate number of participants can be an important factor in a study's success, helping to ensure that the work can be completed within planned budgets and timelines, and with sufficient statistical power. While every study will encounter unique opportunities and challenges, experienced researchers suggest that ... Continue to Article >>

Planning for a Participant Recruitment Phase

CREd Library and Floris Singletary
Investigators often underestimate the time and effort required for recruiting a sufficient number of participants, or don't fully consider the impacts of inclusion/exclusion criteria when making study population and enrollment estimates. A few suggestions for improving study recruitment include seeking out opportunities for engagement within the institution and community, developing ... Continue to Article >>

Crowdsourcing Speech Ratings with Amazon’s Mechanical Turk

Tara McAllister Byun
An overview and advice for adding crowdsourced data collection methods to the CSD research toolbox. Crowdsourcing actually has been used in a lot of research fields, but it hasn't made its way into speech pathology just yet. So I teamed up with a few other researchers in speech pathology who ... Continue to Article >>

Treatment Fidelity in Single-Subject Designs

CREd Library and Ralf Schlosser
Treatment fidelity, also called procedural integrity or treatment integrity, refers to the methodological strategies used to evaluate the extent to which an intervention is being implemented as intended. Maintaining high treatment fidelity helps ensure that changes observed during a study reflect an alteration of the subject’s behavior and not an ... Continue to Article >>

Community Based Participatory Research: Is It for You?

Kirsten Senturia
The following is a transcript of the presentation video, edited for clarity. What am I going to do today? I'm going to define for you what CBPR is, give you a little bit about the concepts and the theory that back it up. I'm going to talk where I can ... Continue to Article >>