Week Two - Quantitative

Question 1

list the 4 different types of reliability

Answer 1

1. test retest
2. intra rater
3. internal consistency
4. inter rater

Question 2

define validity

Answer 2

refs to how well the items of a questionnaire measure what they are intended to measure

Question 3

list factors that impact on the choice of administration of a survey

Answer 3

• costs
• personnel
• skill
• time
• data entry
• data analysis
• target population

Question 4

describe the characteristics of an open ended question

Answer 4

• allows respondent to answer in their own words
• feelings and views are more in depth
• more time consuming, therefore limits number of questions
• answers are more difficult to score

Question 5

define population parameters

Answer 5

are characteristics measured from the specific population

Question 6

define theory

Answer 6

set of interrelated concepts e.g. MOHO

Question 7

define concept

Answer 7

abstraction formed from generalisations

Question 8

define construct

Answer 8

a concept that has been systematically defined to be used in scientific theory e.g. gender, income

Question 9

define conceptualisation

Answer 9

the theoretical work in defining constructs and their inter-relationships

Question 10

define operationalism

Answer 10

translation of theoretical constructs into observable variables so that constructs can be measured

Question 11

define hypothesis

Answer 11

statements that specify a relationship between 2 more constructs, tested with empirical data

Question 12

what are the 3 different types of survey questions

Answer 12

1. those that ask about behaviours or facts
2. those that ask about knowledge
3. those that ask about psychological states or attitudes

Question 13

advantages of closed questions

Answer 13

• more reliable answers
• easy to interpret
• avoids context where answers are provided, that aren’t actually relevant

Question 14

list the 3 different types of measures

Answer 14

1. nominal (people/event are sorted into unordered categories)
2. ordinal (people/events are ordered or placed into categories along single dimension
3. Interval data (numbers are attached)

Question 15

list the 4 different types of errors in surveying

Answer 15

1. sampling error (surveying only some parts of population)
2. coverage error (not allowing all members of target population to have equal chance of being sampled)
3. measurement error (respondents answers are inaccurate/not useful)
4. Non response error (significant number of people in sample do not respond)