Deck 12: Analyzing Data on Families and Children

Question 1

Which of the following measures would include the standard deviation of a sample?

A)measures of association
B)measures of variability
C)inferential statistics
D)central tendency measures

Answer 1

B

Question 2

Which value shows how likely it would be to obtain research results if they had occurred by chance?

A)statistical significance
B)chi-squared
C)lambda
D)substantive significance

Answer 2

A

Question 3

It is easy to find perfect associations in real-world data if the variables are chosen carefully.

Answer 3

False

Question 4

When conducting multiple regression analysis, researchers are most likely going to be interested in the ______ value.

A)chi-squared
B)statistical significance
C)t-statistic
D)R²

Question 5

If a researcher is interested in how two variables are related to each other, then they will most likely look at the ______.

A)measures of association
B)measures of variability
C)inferential statistics
D)central tendency measures

Question 6

Which of the following variables are most likely to be included in a cross-classification table?

A)ratio
B)quantitative
C)interval
D)categorical

Question 7

Lambda and the uncertainty coefficient are most likely reported for variables measured at the ______ level.

A)nominal
B)ratio
C)interval
D)ordinal

Question 8

______ tells researchers how well they can predict the value of the dependent variable based on the independent variables they have included.

A)Chi-squared
B)Statistical significance
C)T-statistic
D)R²

Question 9

Standard deviation is only applicable to variables that are measured at interval or ratio levels.

Question 10

The ______ of the sample tells us which score appeared the most.

A)mean
B)variance
C)mode
D)median

Question 11

Why would a researcher use inferential statistics?

A)to choose a data collection method
B)to learn more about a population from the sample data
C)to learn about the distribution of the sample data
D)to learn more characteristics of the sample data

Question 12

Cross-classification tables are used to do which of the following?

A)explore the effects of one independent variable
B)report the average scores in a sample
C)show the distribution of a sample
D)examine the relationship between two variables

Question 13

The t test is able to compare two sample means and their variances.

Question 14

Inferential statistics are the most helpful for researchers who want to summarize their data.

Question 15

The chi-squared test shows how well a sample represents the associations in the population.