understanding psychological research pt 3

Question 1

observer bias

Answer 1

when observations may be skewed to align with observer expectations

Question 2

inter-rater reliability

Answer 2

measure of agreement among observers on how they record and classify a particular event

Question 3

surveys

Answer 3

lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally

Question 4

sample

Answer 4

subset of individuals selected from the larger population

Question 5

archival research

Answer 5

method of research using past records or data sets to answer various research questions, or to search for interesting patterns or relationships

Question 6

population

Answer 6

overall group of individuals that the researchers are interested in

Question 7

longitude research

Answer 7

studies in which the same group of individuals is surveyed or measured repeatedly over an extended period of time

Question 8

cross-sectional research

Answer 8

compares multiple segments of a population at a single time

Question 9

attrition

Answer 9

reduction in number of research participants as some drop out of the study over time

Question 10

correlation coefficient

Answer 10

number from -1 to +1, indicating the strength and direction of the relationship between variables, and usually represented by r