Measurement in CSD

Question 1

Measurment

Answer 1

process, systematically assigning numbers, rules prescribed and understood by field, measuring attributes or features, goal in CSD- measurement of speech, language, and hearing variables, clear and practical set of rules (transparent)

Question 2

Units of measurement

Answer 2

Data

Question 3

Process

Answer 3

Identify, collect, organize, analyze, interpret, statistics (overlap with this- need this working knowledge of this)

Question 4

Instrumentation Measures

Answer 4

prhysical variables- usually measured through an instrument, ex. leangth, time, form and frequency, air flow, tongue strength, acoustical measures

Question 5

Observer Measures

Answer 5

behavioral measures (ex. language scores, mean length of utterance,

Question 6

Classification of Data: Stevens Taxonomy

Answer 6

1) Nominal-level data
2) Ordinal-level data
3) Interval-level Data
4) Ratio-level Data

Question 7

Nominal-level data

Answer 7

attributes of objects or events categorized, mutually exclusive categories, named groupings, only mathematical property: identity
ex: types of HL, gender
no hierarchy but random assignment- pass or fail.
what mathematical operation can be completed within this level?- can identify frequency of occurence,

Question 8

Ordinal-level Data

Answer 8

Mathematical property of inequality (helps to rank order diff. variables), magnitude of data and identity, rank order (from least to most/most to least, greater or lesser value is assessed), mutually exclusive categories, difference between categories (ex. rating scale, Ranchos Amigos)

Question 9

Interval Level Data

Answer 9

Mutually exclusive categories, named groups, equal intervals btw adjacent categories, rank ordered, most commpn example is Celsius or Fahrenheir scale) equal interval distance, no true zero (ex. same difference btw 2 adjacent categories, standardized scores in lang. tests - interpretive data)

Question 10

Ratio-level Data

Answer 10

Mutually exclusive categories/named groups, equal intervals btw adjacent categories/constant distance btw adjacent intervals, rank ordered, TRUE ZERO, (ex. # of disfluencies, vowel duration, @ of misarticulations, speech intelligibility score)

Question 11

Characteristics of Data

Answer 11

greater manipulation of data: more powerful statistical anaysis (converting data from 1 type to another), categorization important for statistical analysis, guidance of statistician,

Question 12

histogram

Answer 12

frequency tables