Research

Question 1

Reliability

Answer 1

overall consistency of a measure. high reliability= measure will produce statistically similar results under consistent experimental conditions.

Question 2

Validity

Answer 2

degree to which the tool measures what it claims to measure
internal validity: confidence that can be placed in the cause
external validity: effect of research can be generalized to other populations, settings, etc.
concurrent validity: results correspond to those of a previously established measurement. comparing tests
predictive validity: testing a group of subjects for a certain construct then comparing results at some point in the future.

Question 3

cross sequential design

Answer 3

combo of cross sectional and longitudinal designs

Question 4

longitudinal design

Answer 4

same people are measured at different ages.

Question 5

cross sectional design

Answer 5

researchers collect data at a single point in time from participants of different ages.

Question 6

retrospective design

Answer 6

to look back and try to remember what they were like at an earlier point in life.

Question 7

single subject design

Answer 7

subject serves as his/her own control

Question 8

Quasi- experimental design

Answer 8

does the treatment of intervention have an impact?aims to establish a cause-effect study.

Question 9

randomized control trial

Answer 9

randomly assign groups or indiv. to either an intervention group or control group.