Responses were scored on a 5-point Likert scale (strongly agree to strongly disagree) and categories were collapsed to create a dichotomous variable showing men's agreement (strongly agree or agree) with this statement.
For subsequent analysis, items and responses were collapsed to create the dichotomous variable of: 'friends had not tried smoking (friends do not smoke and have not tried smoking; scored 0) or 'friends smoke' (friends smoke or had tried smoking; scored 1).
Patient characteristics (gender, age, degree or professional qualification, educational status and previous physiotherapy treatment) were collapsed to create dichotomous variables, and the relationship between these characteristics and satisfaction scores for each domain were analysed using Mann Whitney U tests (Table 3).
We created 33 food groups based on similarities in food and nutrient composition (6) that were collapsed to create eight DASH food groups (grains, vegetables, fruits, dairy, meat, nuts/seeds/legumes, fats/oils, and sweets).
First, 'references to general rule' and 'references to physical reality in the story' were collapsed to create a new category labelled 'implicit social awareness', containing references about social norms and rules, but no perspective taking.
Thus, responses were collapsed to create a dichotomous variable representing cancer and no cancer.
Responses were collapsed to create two binary variables assessing initiation of use and frequency of use.
Responses to these five destinations were collapsed to create two variables: (1) usual travel to school; and (2) usual travel to local non-school destinations.
As well as the production frequency, researchers have access to the linguistic variations that have been collapsed to create any given normalized feature.
The snow and firn above it may collapse to create a growler (a floating block about the size of a grand piano) or a bergy bit (a larger block about the size of a small house).
