The document outlines different levels and conditions for speech testing, including testing phonemes in isolation and within words, words in isolation and within sentences, sentences in quiet and noisy conditions, and with variations such as using recorded or live voices, with or without visual cues, and with open or closed response sets. It lists specific tests for each level and condition, such as the Ling-6 for phonemes in isolation and the Bamford-Kowal-Bench Speech in Noise test for words in sentences in noisy conditions.

1. Speech testing Phonemes in isolation Phonemes in words Words in isolation Words in sentences Sentences Audio vs. Audiovisual Recorded vs. Live Voice Noise vs. Quiet Low vs. High Context Open vs. Closed Set

2. Phonemes in isolation Ling-6

3. Phonemes in words; Words in isolation ɑCɑtest Lexical neighborhood test (LNT) Computer assisted speech perception assessment (CASPA) PB-K WIPI NU-CHIPS

4. Words in Sentences; Sentences Bamford-Kowal-Bench Speech in Noise (BKB-SIN) CID Everyday Sentences Hearing in Noise Test (HINT-C)

5. Conditions of testing Audio vs. Audiovisual Recorded vs. Live Voice Noise vs. Quiet Signal to Noise Ratio Low vs. High Context “The lady put the turkey in the _______” “The man was thinking about the _____” Open vs. Closed Set Chance performance