Table 1 Evaluation of sample size based on information power [21].

From: Exploring knowledge and implementation gaps of activity-based therapy in centers lacking specialized spinal cord injury services: understanding therapists’ perspectives

Items of information power

Study details

Favors small sample?

Study aim

- Research question is well-defined; however, participant’s experiences vary.

No

Sample specificity

- Specific sample of PTs and OTs, defined by clear inclusion criteria, yields a relatively homogeneous sample with reduced variation in identified themes.

Yes

Established theory

- Methodology for data collection incorporated a thorough review of existing literature on ABT and previous research exploring the use of ABT in SCI-specialized centers [9, 12, 13].

- Interview guide was shaped by the theoretical underpinnings of the Theoretical Domains Framework [22], ensuring a theory-rich perspective.

Yes

Quality of dialogue

- Interviews were conducted by an experienced qualitative interviewer with content expertize in both ABT and SCI, ensuring high-quality, informed dialogue relevant to the study’s focus.

Yes

Analysis strategy

- Cross-case analysis.

No

  1. PTs physical therapists, OTs occupational therapists.
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