Since items referring to sad reactions to the different sounds did not form one factor and the bipolar items do not allow for correlational analysis, separate analysis was performed after dichotomising the scores on sad reaction items.
The short Questionnaire on Current Disposition (QCD) (Müller and Basler 1993) measures subjective well-being within short test retest intervals using six bipolar items (tense calm, apprehensive unperturbed, worried unconcerned, anxious relaxed, skeptical trusting, uneasy comfortable) and was applied before and after each experimental condition.
For example, respondents will tend to affirm an item such as the agreeableness in the FIPI: "I am agreeable, kind (that is, trusting, generous, sympathetic, cooperative, NOT aggressive, or cold)." The second approach tries to avoid this risk by using bipolar single items (Denissen, Geenen, Selfhout, & Aken, 2008; Langford, 2003; Rammstedt, Koch, Borg, & Reitz, 2004; Woods & Hampson, 2005).
The affective dimension of pleasure displeasure during exercise was assessed with the Feeling Scale (FS .44 The FS is an 11-point, single-item, bipolar rating scale commonly used for the assessment of affective responses during exercise.
This 10-item bipolar disorder-specific instrument, elicits the degree of comfort a patient expresses with their treatment according to statements regarding their care environment as it has been developed by their mental health team.
The measure of attitude consists of six items using bipolar adjectives with a seven point response format.
However, constructing a bipolar scale including both positive items (e.g. feeling energetic) and negative items (e.g. feeling tired) may impair item homogeneity and result in a two dimensional structure.
Pearl Jam's two-disc collection of unreleased songs and collectors' items is downright bipolar.
Instruments: The Family Dynamics Measure of 62 Likert-type items measured 6 bipolar dimensions of family dynamics.
Table 1 shows the attitude attribute items and the bipolar variable structure used in the survey.
Semantic-differential items use a bipolar adjective (opposite-meaning) list or pair of descriptive statements that examinees use to select the response option out of a range of values that best matches their agreement.
