Resources for Complexity Approach: Clusters

2-element clusters

Sonority difference: 2

Note. If you have not confirmed that the child is treating /sm/ and /sn/ like true clusters i.e., /bl/ and /fl/, in relation to which of the two consonant segments the cluster is reduced to (C1 or C2); do not target them. This is because /sm/ and /sn/ may treated within the child's system like adjuncts (/sp, st, sk/) which can behave differently to true clusters and produce mixed results if targeted in therapy (see Gierut 1999, Gierut and Champion 2001, Storkel 2018b)

• /sm/ (colour)
• /sm/ (black and white)
• /sn/ (colour)
• /sn/ (black and white)

Sonority difference: 3

• /sl/ (colour - real words)
• /sl/ (black and white - real words)

Sonority difference: 4

• /dɹ/  (colour)
• /dɹ/  (black and white)

Sonority difference: 5

• /pl/ (colour)
• /pl/ (black and white)

Sonority difference: 6

• /kw/ (colour)
• /kw/ (black and white)

3-element clusters

• /skw/ (colour)
• /skw/ (black and white)

• Sets of 16 alien/mermaid/fairy pictures (colour)
• Sets of 16 alien/mermaid/fairy pictures (black and white)