However, no validated instrument to assess breastfeeding attitudes is available in Chinese for use in Taiwan.
In recent years, a vast amount of studies have investigated the implications of key events and transitions on mode choice decisions, car ownership, commuting distances and attitudes towards available mode alternatives [8, 20, 21].
They may not have attitudes readily available for reporting on them (in an explicit way), or may even find it difficult to retrieve them [2], [3].
The motivation to engage primarily depended on their personal attitudes, the available resources, and their training level.
This approach requires the respondent to identify the person as a 'case' of mental disorder and then disclose their knowledge or attitudes about available health services or treatments.
A rigorous proof shows that semi-global finite-time stability of the overall closed-loop system can be achieved and the proposed velocity-free control law guarantees a group of spacecraft to simultaneously track a common time-varying reference attitude in finite time even when the reference attitude is available only to a subset of the group members.
Virtual system-based approach is utilized in case that a constant reference attitude is available to only a part of the spacecraft.
In this way, attitudes become potentially available in dialogue through participants' recognition of such relationships.
"If these things are not easily available, attitudes about handicapped students may not be what they should be," she says.
Learning about public attitudes from publicly available on-line comments can also be a cost-effective and rapid way to collect data.
Despite these reservations, indirect measures seem particularly useful when consumers do not have readily available attitudes that they could consciously report on attitudes consumers may not be aware of, able to express, or willing to share with the researcher [2], [3].
