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Flashcards in Quiz6ch131415 Deck (26)
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1

What are the five steps for data analysis?

1) Validation and editing, 2) coding, 3) data entry, 4) logical cleaning of data, 5) tabulation and statistical

2

What is the ascertain that interviews were conducted as specified?

Validation

3

What is the checking for interviewer and respondent mistakes?

Editing

4

What is coding?

The grouping and assigning numeric codes to responses

5

What are the four steps in the coding process?

1) Listing responses, 2) consolidating responses to open questions, 3) settings codes, 4) entering codes

6

What is converting information to a form that can be read by software?

Data entry

7

What is the final computerzied error check of data?

Logical cleaning of data

8

What is a computer-generated table of frequencies of responses to each question to monitor entry of valid codes?

Marginal Report

9

What is a one way frequency table?

A table showing the number of responses to each answer

10

What is the examination of responses to one question relative to responses to one or more other questions?

Cross Tabulation

11

What is a common way to set up cross-tabs?

Demographics and other predictors in the column section

12

What is statistical inference?

To generalize from sample results to population characteristics

13

What are the three concepts of differences?

Mathematical differences, statistical significance, managerially important differences

14

What is a type 1 error?

Rejection of the null when it is in fact true

15

What is the statistical methods of analyzing the relationship between two variables?

Bivariate Techniques

16

What are multivariate techniques?

When more than two variables are involved

17

What does the independent variable do?

Affects the value of the dependent variable

18

What is bivariate regression defined?

Analyzing strength of linear relationship between dependent and independent variable

19

What is the least squares estimation procedure?

Results in a straight line that fits the actual observations better than any other line that could be fitted

20

What is the predicted value for Y based on calculated values?

Regression Line

21

What is the measure of the strength of the linear relationship between X and Y

Coefficient of determination

22

Is 1 closer to a perfect or no relationship in terms of R^2?

Perfect Relationship

23

Wis the degree to which changes in one variable are associated with changes in another?

Correlation

24

What is Pearson's product moment correlation?

Correlation analysis technique for use with metric data

25

What is the Spearman correlation?

Measure of association using ordinal or rank order data

26

What does the executive summary do?

Summarizes the reasons for the research, the findings and what they mean, and what action to take