Ch10

Question 0

Error tht occurs consistently in one direction such as a scale tht weighs everyone 4 pounds less tht can alter study results & must be minimized

Answer 0

Systematic measurement error

Question 1

Lowest level of measurement when data can be organized into categories tht are exclusive & exhaustive bt the categories can’t be rank-ordered

Answer 1

Nominal scale measurements

Question 2

Error tht is the difference between the measurement & true value of a variable tht is without a pattern

Answer 2

Random measurement error

Question 3

Multiple item scale used to measure perceptions of a phenomenon in a study,such as a 20 item scale used to measure perception of pain wit ratings. 1- strongly disagree 4-strongly agree

Answer 3

Likert scale

Question 4

Consistency of the measurement technique

Answer 4

Reliability

Question 5

How well the instrument measures what it’s suppose to measure

Answer 5

Validity

Question 6

Level of measurement wit categories tht can be rank-ordered such as level of functional status-poor function status,average or good

Answer 6

Ordinal scale measurement

Question 7

Scale tht uses 100-mm line for a subject to mark, tht indicates the placement of his or her score.

Answer 7

Visual analog scale

Question 8

Measurement of a concrete variable ie: blood pressure is involved in this type of measurement

Answer 8

Direct measurement

Question 9

Measurement of an abstract idea (ie:anxiety) is involved

Answer 9

Indirect measurement

Question 10

Questions posed orally to a study participant as a way of collecting data

Answer 10

Interview

Question 11

Level of measurement with equal intervals bt without an absolute ZERO

Answer 11

Interval scaled measurement

Question 12

Level of measurement wit equal intervals & an absolute zero point

Answer 12

Ratio-scale measurement

Question 13

Difference between true measure vs actual measure

Answer 13

Measurement error

Question 14

Measurement method requiring observation of specific elements in a situation

Answer 14

Structured observational measurement

Question 15

Detailed plan of how study will be implemented tht is specific to the study being conducted & requires consideration of the commonplace elements of research

Answer 15

Data collection plan

Question 16

The actual process of selecting subjects & gathering data from these subjects by the researchers.

Answer 16

Data collection

Question 17

Form tht is developed or modified by the researcher which is used for recording data

Answer 17

Data collection form

Question 18

Concerns or issues tht develop as data are collected & might include concerns with people,re-searchers,Institutions & events

Answer 18

Data collection problems

Question 19

Accidental discovery of something useful or valuable during the conduct of a study

Answer 19

Serendipity

Question 20

Use of the microcomputer to collect large amounts of data wit few errors tht can be readily analyzed wit a variety of statistical software packages

Answer 20

Computerized data collection