exam ii: in class review questions

Question 1

the outcome the researcher wants to explain

Answer 1

dependent variable

Question 2

a study design that collects data from different points of a time line

Answer 2

longitudinal study

Question 3

data collected for a particular study

Answer 3

primary data

Question 4

the extent to which the effects detected in the study are a true reflection of the reality rather than extraneous variables

Answer 4

internal validity

Question 5

a study design that examines causality between selected independent variables and dependent variables

Answer 5

quasi-experimental design

Question 6

the population determined by sampling criteria

Answer 6

target population

Question 7

what are the measurements by instruments, tools, or questionnaires called

Answer 7

psychometric data

Question 8

subjects in a study who happen to be in the right place at the right time until the desired sample size is reached

Answer 8

convenience sample

Question 9

the extent to which the study findings can be generalized beyond the sample used in the study

Answer 9

external validity

Question 10

blood pressure, pulse, lab values

Answer 10

physiologic data

Question 11

numerical value assigned to each category (ex: FACES, 1-10 pain measurement)

Answer 11

rating scale

Question 12

random selection of elements from the sample frame for inclusion in the study

Answer 12

simple random sample

Question 13

tool that measures opinions or attitudes of subjects

Answer 13

likert scale

Question 14

tool that measures strength or magnitude of intensity of an individual subject’s feelings

Answer 14

visual analog scale

Question 15

first level of measurement (ex: marital status, sex)

Answer 15

nominal measurement

Question 16

an example of class ranking, ordered relationship

Answer 16

ordinal measurement

Question 17

the extent to which an instrument consistently measures a concept (stability, equivalence, homogeneity)

Answer 17

reliability

Question 18

the interviewer has the opportunity to watch the participants perform in a specific setting

Answer 18

observations

Question 19

2 different raters assessing the same too is evaluating ….

Answer 19

interrater reliability

Question 20

the extent to which a method of measurement includes all major elements relevant to the construct being measured

Answer 20

content validity

Question 21

measures how well the conceptual and operational definitions of variables match each other

Answer 21

construct validity

Question 22

exact center of ungrouped frequency distribution (50th percentile)

Answer 22

median

Question 23

data used fro previous research

Answer 23

secondary data