CLASS 19 - measurment (quant)

Question 1

“measuring the world”

Answer 1

Daniel Kehlmann

Question 2

measurment

Answer 2

assingment of scores to individuals

Question 3

3 types of variables

Answer 3

categorical - categories must be mutually exclusive and all options must be covered

discrete - whole #

continuous - any value

Question 4

constructs

Answer 4

qualitative measurments

Question 5

the 5 facets

Answer 5

OCEAN

openness
conscientiousness
extraversion
agreeableness
neuroticism

Question 6

name 3 types of ways to measure

Answer 6

self report measure

behaviouiral measure

physiological measures

Question 7

converging operations

Answer 7

2 operational definitions converging on the same contruct

Question 8

what are the lvls of measurement

Answer 8

nominal lvl: scores and categories yes/no

ordinal lvl: ranking (Likert)

interval lvl: 30deg-40deg = 80deg-90deg

ratio lvl: anything 0 >

Question 9

reliability

Answer 9

the consistency of a measaurment

Question 10

internal consistency

Answer 10

self esteem scale = a person who says thay are of worth would say they have good qualities

Question 11

test-retest reliability

Answer 11

doing the same test later, and compairning to before (over 0.80 is good)

Question 12

split half correlation

Answer 12

split the items into 2 sets. then compute a score for each set on a plot

Question 13

interrater reliability

Answer 13

the extent to which different observers are consistent in their judgments.

Question 14

vailidity

Answer 14

does a scale measure what is it supposed to measure?

Question 15

4 types of validity

Answer 15

1. face - face value
2. content - matches content of research question
3. criterion - extent to ppls scores correlating with something else
   -concurrent
   -predictive
   -convergent
4. discriminant - extent to ppls scores not correlating with something else

Question 16

conceptually defining a construct, THEN operationally defining
the construct

Answer 16

conceptually - what do you specifically want to measure?

operationally - how are you going to measure it

Question 17

use existing measure
use you won measure
implement the measure
evaluate the measure

Question 18

feasability meaning

Answer 18

the likelihood of something being done or accomplished

Question 19

3 phases of development

Answer 19

phase1: item development
phase2: scale development
phase3: scale evaluation