Chapter 2

Question 1

difference between correlational and experimental research

Answer 1

correlational- measure variables
experimental- manipulate independant variable and measure effects on dependent variable

Question 2

Research Terminology

Answer 2

control/ experimental groups, blind studies, placebos, indpendant and dependant variables

Question 3

describe sampling techniques

Answer 3

Clinical/case studies, naturalistic observation, surveys, archival research, longitudinal vs cross-sectional

Question 4

identify reliability and validity

Answer 4

reliability- how consistent the results of assement are
validity- how well test actually measures what it was created to measure

Question 5

difference between descriptive / inferintal stats

Answer 5

descriptive- characheristics of data set
inferintal- makeing predicton/ generalization about a larger data set

Question 6

measures of central tendency and vairability

Answer 6

central tendency- shows center and middle of data set are
vairability- disperson among those values

Question 7

statistically significant

Answer 7

degree to which a research outcome cannont attribute to operation of chance

Question 8

Correlations and Correlation Coefficients

Answer 8

tells you if two things are related

Question 9

Research methods

Answer 9

confidentiality, informed consent, deception