Lecture 3

Question 1

research design

Answer 1

provides a framework for the collection and analysis of data

Question 2

descriptive statistics

Answer 2

a means of describing features of a data set by generating summaries about data samples

Question 3

inferential statistics

Answer 3

testing your hypothesis. describing relationships of variables. help you come to conclusions and make predictions based on your data

Question 4

hypothesis

Answer 4

a carefully worded statement about the theoretically predicted causal relationship between variables

Question 5

what is the goal of measurement?

Answer 5

to discover fine differences between individuals based on consistent (over time) measures that allows for estimating the degree of relationship between concepts.

Question 6

concept

Answer 6

categories for the organization of ideas and observations

Question 7

coding

Answer 7

quantifying information obtained in data collection

Question 8

reliability

Answer 8

questions if measurement instruments are providing and accurate measurement

Question 9

validity

Answer 9

the extent to which a coded variable measures the intended theoretical concept

Question 10

what are the key concerns in quantitative research?

Answer 10

Measurement, causality, generalization, and replications