Babkina, V. (2018). Phonological interference of mother tongue over the English

CHAPTER III. METHODOLOGY OF THE INVESTIGATION
 
3.1. Investigation type ............................................................................ 47 
3.2. Design of the investigation ............................................................. 48 
3.2.1. Investigation questions .......................................................... 48 
3.3. Variables ......................................................................................... 50 
3.4. Population and study samples ......................................................... 50 
3.4.1. Universe ................................................................................. 50 
3.4.2. Population .............................................................................. 51 
3.4.3. Samples ................................................................................. 51 
3.4.4. Individuals ............................................................................. 51 
3.5. Techniques and instruments for gathering data ............................... 52
3.5.1. Video recording ..................................................................... 52 
3.5.2. Questionnaire ......................................................................... 52 
3.5.3. Oral testing ........................................................................... 52 
3.5.4. English language consonant sounds pronunciation
evaluation rubric ............................................................................. 53 
3.6. Procedure of the investigation ......................................................... 54 
3.6.1. Part 1. The research. Selecting and analysing the cases
of phonological interference ............................................................ 54 
3.6.2. Part 2. The intervention. The use of pronunciation practice 
and instruction ................................................................................. 69