Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Change from Baseline in Perseverative Thinking Questionnaire (PTQ) Scores |
The PTQ is a validated self-report instrument assessed content-independent trait-based RNT. It consists of 15 items that rated on the score of 0 (never) to 4 (almost always). The reliability and validity of the Turkish version of the scale is checked and it found suitable for Turkish population. Change (Post-intervention score- Baseline score) |
Baseline and Week 2 |
|
Secondary |
Improvement in Cognitive Fusion Questionnaire (CFQ) Scores |
Improvement is defined as a significant reduce in participants' CFQ scores. Turkish version of CFQ is a 7-item questionnaire assessed on 7-point Likert-type scale (1: "Never true"; 7: "Always true"). The validity and reliability study for Turkish version of the CFQ was conducted. |
Baseline and Week 2 |
|
Secondary |
Enhancement in Psychological Flexibility measured by Acceptance and Action Questionnaire (AAQ-II) |
The AAQ-II is a validated self-report instrument designed to measure psychological inflexibility. Higher scores on the AAQ-II indicate greater psychological inflexibility. The 7-item questionnaire has been found to be reliable and valid in Turkish. |
Baseline and Week 2 |
|
Secondary |
Change from Baseline in Depression Anxiety Stress Scale-21 (DASS-21) Scores |
The DASS-21 consists of three subscales, each with 7 items rated on a scale of 0 (never) to 3 (always). The scale assesses depression, anxiety, and stress levels in the past week. The Turkish version of the scale has been found to be reliable and valid. Change (Post-intervention score- Baseline score) |
Baseline and Week 2 |
|
Secondary |
Increase in Committed Actions |
The change in participants' committed actions in life is measured by the Valuing Questionnaire (VQ). The questionnaire comprises 10 items rated on a 7-point Likert scale (0=Not at all true; 6=Completely true). A higher score on the scale indicates that individuals are behaving in a manner consistent with their values. Change (Post-intervention score- Baseline score) |
Baseline and Week 2 |
|
Secondary |
System Usability Assessment |
The Turkish version of the System Usability Scale (SUS) will be administered at the conclusion of the 10-day web-based self-help program to assess the understandability and applicability of the program for participants. The SUS is a 10-item standardized questionnaire that offers a subjective assessment of usability. Participants rate the items on a scale ranging from 1 (Strongly Disagree) to 5 (Strongly Agree). |
Week 2 |
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