CBToolkit includes two SSI modules: (1) Mindful Awareness, with the goal of increasing awareness and tolerance of physical sensations and emotional experiences using mindfulness practices and tips and (2) Flexible Problem Solving, with the goal of promoting cognitive flexibility, applying problem-solving strategies in difficult scenarios, and learning to modify behavioral action tendencies.

CB Toolkit Mindful Awareness module to increase awareness and tolerance of physical sensations and emotional experiences using mindfulness practices. The module involves videos with motion graphics, video demos, voiceover, music, and sound effects intermixed throughout with a variety of interactive exercises tailored to specific core components. The module aims to establish understanding of the intervention concept (psychoeducation), increase self-efficacy in mindfulness skills via active practice and personalized feedback, and facilitate self-reflection and understanding of strengths and improvement areas related to mindfulness. CBToolkit Flexible Problem Solving module to promote cognitive flexibility, applying problem-solving strategies in difficult scenarios, and learning to modify behavioral action tendencies. Videos and activities will be tailored to provide examples of effective problem-solving techniques and provide personalized reinforcing and/or scaffolded feedback.

Adolescents will complete this 12-item measure, rating the extent to which they agree with statements about the usability, acceptability, and feasibility of the CBToolkit modules. The measure includes 9 Likert items and 3 open-ended items. Responses to the Likert items range from 1 (Really Disagree) to 5 (Really Agree). Total scores are based on the Likert items are range from 0 to 45. Higher scores reflect more positive opinions.

Adolescents will complete this 9-item measure to determine what they know about key concepts taught in the CBToolkit module prior to and following review of the modules. The measure includes 9 multiple choice items with a 1 correct response per item. Total scores are based on the number of items with correct responses and range from 0 to 9. Higher scores reflect more correct responses.

Adolescents will complete the shortened 11-item version of this measure to assess levels of anxiety and depression prior to and following review of the modules. The measure includes 11 Likert items. Responses to the Likert items range from 0- Never to 3- Always. Total scores are based on the Likert items are range from 0 to 33. Higher scores reflect more severe symptoms.

The CBToolkit software will tracks progress through the modules, and the length of time spent on each sections of the module. These metrics are measured in seconds. A longer time generally indicates more time spent with the content.