Mothers in the intervention group will be given access to online resources specifically designed for use in this study: (i) a brief web-based informational video (approx. 7 mins) that begins with a psychoeducation component on flexible perspective taking (self-as-context, a component of Acceptance and Commitment Therapy [ACT]) and relevance to mothers of infants (from birth to 23 months), drawing on ACT methaphors for enhancing a transcndent sense of self; (ii) an audio-guided experiential exerc