Table 2.

Descriptions of the content of MCT-Silver modules.

Module	Name	Cognitive bias/Behavior	Aims	Training example
1	Thinking and reasoning I	Mental filter, overgeneralization	Identify and modify selective perception (i.e., mental filter) and exaggerated generalizations of negative experiences.	Modification of overgeneralization of negative experiences: Situational examples are presented along with possible (depressive) interpretations. More helpful interpretations of these situations are identified.
2	Memory	Mood-congruent memory, false memories	Normalize and explain concentration and memory issue. Increase awareness of memory biases.	False memory effect: Participants are asked to remember objects presented in a picture. They are then provided with a list of words and are asked to identify the incorrect objects, which were not presented.
3	Thinking and reasoning II	“Should” statements, “all or nothing” thinking, acceptance of negative feelings related to life changes.	Encourage participants to question rigid and perfectionistic behavior Present the concept of acceptance for negative feelings.	Examining perfectionistic standards: The pros and cons of holding oneself to certain (high) standards (e.g., to always have a perfectly clean home) are discussed. Acceptance: Identification of areas in life in which participants would like to practice more acceptance.
4	Values	Identifying values and strategies for living a value-based life	Identify personal values.	Values: Communication regarding the importance of improving insight into personal values. Processing of strategies that can support a value-oriented life.
5	Thinking and reasoning III	Magnification and minimization, depressive attributional style	Identify and modify biases in judging the extent and consequences of perceived successes and failures.	One-sided attributions: Examples of one-sided attributions are presented, and participants are encouraged to identify multiple causes for an outcome.
6	Behaviors and strategies	Dysfunctional coping strategies: withdrawal, rumination, thought suppression	Reduce dysfunctional behaviors associated with depression. Develope new helpful coping behaviors.	Helpful coping strategies: Mindfulness exercise to practice gaining inner (psychological) distance.
7	Thinking and reasoning IV	Jumping to conclusions, mind reading, fortune telling (catastrophizing)	Identify instances of jumping to conclusions. Encourage consideration of multiple sources of information before reaching a conclusion.	Considering alternative information: Paintings are presented and participants are asked to guess the correct title from a list of choices.
8	Self-esteem	Self-esteem, changing negative self-perceptions through imagery	Communicate strategies to improve self-esteem Reduce and modify unfair comparisons (e.g., with the younger self).	Imagination exercise: Transformation of negative images into strong, positive images (e.g., transformation of a weak, nervous chick into a proud eagle).