Assessment, Statistics, and Research

Response set  is a tendency to respond similarly to all or many questions such as frequently choosing "somewhat agree" on scale options ranging from "strongly agree" to "strongly disagree." Response bias occurs when respondents deliberately give false responses. There are many forms of response bias. Acquiescence bias occurs when respondents select only positive answers. This is also called "yea-saying." Demand characteristics influence answers to survey items when the respondent attempts to provide answers according to the way they think an ideal participant should respond. Extreme bias occurs when respondents frequently choose the extreme options on survey items such as the "Strongly Agree" and "Strongly Disagree" options. Hostility bias  occurs when respondents feel provoked by items in the survey. Researchers must take care in wording items that may be sensitive. Explanations and instructions might help reduc

The Dispositional Greed Scale is a 7-item rating scale. Participants rate each item on a scale of 1 = strongly disagree to 5 = strongly agree. Permission : The test items may be reproduced and used for noncommercial research and educational purposes. The list of items is available from PsycTESTS. Sample 1. I always want more. 2. Actually, I’m kind of greedy. Read more about greed in the Psychology of Greed. Note : In psychology, a disposition is a relatively durable behavior pattern or trait in contrast to a state, which can vary with situations. Resource Link:  A – Z Test Index References For the test items in PsycTESTS, see: Seuntjens, T. G., Zeelenberg, M., van de Ven, N., & Breugelmans, S. M. (2015). Dispositional Greed Scale [Database record]. Retrieved from PsycTESTS. doi: https://dx.doi.org/10.1037/t41245-000 For the article about dispositional greed, see the following reference: Seuntjens, Terri G., Zeelenberg, Marcel, van de Ven, Niels, & Breug

An 8-item version of the Barratt Impulsiveness Scale is available. The 30-item BIS is a commonly used measure of impulsiveness. The original scale has undergone a number of revisions. In 2013, Lynne Steinberg and her team evaluated an 11-item version.  Based on the evidence, an 8-item version was developed. The 8-item version is knows as BIS-Brief Each item is rated on a 4-point scale as follows. 1 = rarely/never 2 = occasionally 3 = often 4 = almost always/always Items The items ask the participants about thinking, planning, and self-control. The items  may be used for education and research. purposes. The PsycTESTS entry included the following permissions statement. Test content may be reproduced and used for non-commercial research and educational purposes without seeking written permission. Distribution must be controlled, meaning only to the participants engaged in the research or enrolled in the educational activity. Any other type of reproduction or distributi