Question 1

Match the scale of measurement with the variable. You may use the same scale of measurement more than once.
-Gender.

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous D

Question 2

Most psychological measurements are ratio scales.

Accepted Answer

A) True 
 B)False  False

Question 3

Clark Kent wants to study how these training approaches (no training, kryptonite training, and the new super-kryptonite training) affect performance. He is confused as to what scale of measurement he is using with his IV. Help him out with the correct

Accepted Answer

A)  nominal 
B)  ordinal 
C)  normal 
D)  Clark should give up and stick to flying! 
A)  nominal 
B)  ordinal 
C)  normal 
D)  Clark should give up and stick to flying! B

Question 4

The following is/are true for the normal level of measurement:

Accepted Answer

A)  It is meaningful to obtain a frequency distribution or bar chart 
B)  It is meaningful to obtain a mean, median, and mode 
C)  It is meaningful to obtain a standard deviation 
D)  All of the above 
A)  It is meaningful to obtain a frequency distribution or bar chart 
B)  It is meaningful to obtain a mean, median, and mode 
C)  It is meaningful to obtain a standard deviation 
D)  All of the above

Question 5

Numerals assigned to nominal variables have no implied order or weight.

Accepted Answer

A) True 
 B)False

Question 6

Nominal variables have three or more unordered categories.

Accepted Answer

A) True 
 B)False

Question 7

Normal variables have an approximately normal frequency distribution.

Accepted Answer

A) True 
 B)False

Question 8

All normal curves can be divided into areas in terms of the standard deviation.

Accepted Answer

A) True 
 B)False

Question 9

Match the example with the scale of measurement. Use above choices.
-Sally wants to determine whether the piggy banks of children are blue or green. The scale is:

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous

Question 10

Ordinal scales have ranked, unequal intervals and are skewed.

Accepted Answer

A) True 
 B)False

Question 11

Descriptive statistics cannot be used to summarize nominal level data.

Accepted Answer

A) True 
 B)False

Question 12

Match the scale of measurement with the variable. You may use the same scale of measurement more than once.
-Self-concept score (assume summated Likert scale)

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous

Question 13

The standard deviation is an appropriate descriptive statistic when one is measuring
________ and has a ________ variable. Pick one that applies.

Accepted Answer

A)  frequency/nominal 
B)  central tendency/ordinal 
C)  variability/normally distributed 
D)  quantitative data/all four scales 
E)  none of the above 
A)  frequency/nominal 
B)  central tendency/ordinal 
C)  variability/normally distributed 
D)  quantitative data/all four scales 
E)  none of the above

Question 14

Match the example with the scale of measurement. Use above choices.
-ROTC cadets are ranked by commanders from 1st to last. This scale is:

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous

Question 15

Match the scale of measurement with the variable. You may use the same scale of measurement more than once.
-Ethnicity (5 categories).

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous

Question 16

The normal curve:

Accepted Answer

A)  Is a frequency distribution 
B)  Is a probability distribution 
C)  Has a finite range 
D)  a and b 
A)  Is a frequency distribution 
B)  Is a probability distribution 
C)  Has a finite range 
D)  a and b

Question 17

Properties of a normal curve include:

Accepted Answer

A)  One hump in the middle of its distribution that is the most frequent value 
B)  The curve is not highly skewed 
C)  A mean, median, and mode that are about equal 
D)  All of the above 
A)  One hump in the middle of its distribution that is the most frequent value 
B)  The curve is not highly skewed 
C)  A mean, median, and mode that are about equal 
D)  All of the above

Question 18

Approximately 34% of the area under the normal curve is between the mean and one standard deviation above the mean.

Accepted Answer

A) True 
 B)False

Question 19

Match the example with the scale of measurement. Use above choices.
-Dan's study compared four religions. This scale is:

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous 
A)  Nominal 
B)  Ordinal 
C)  Normal 
D)  Dichotomous

Question 20

The range of a normal curve is infinite: the extremes approach, but do not touch the X axis.

Accepted Answer

A) True 
 B)False

Exam 10: Measurement and Descriptive Statistics

Match the scale of measurement with the variable. You may use the same scale of measurement more than once. -Gender.

Most psychological measurements are ratio scales.

Clark Kent wants to study how these training approaches (no training, kryptonite training, and the new super-kryptonite training) affect performance. He is confused as to what scale of measurement he is using with his IV. Help him out with the correct

The following is/are true for the normal level of measurement:

Numerals assigned to nominal variables have no implied order or weight.

Nominal variables have three or more unordered categories.

Normal variables have an approximately normal frequency distribution.

All normal curves can be divided into areas in terms of the standard deviation.

Match the example with the scale of measurement. Use above choices. -Sally wants to determine whether the piggy banks of children are blue or green. The scale is:

Ordinal scales have ranked, unequal intervals and are skewed.

Descriptive statistics cannot be used to summarize nominal level data.

Match the scale of measurement with the variable. You may use the same scale of measurement more than once. -Self-concept score (assume summated Likert scale)

The standard deviation is an appropriate descriptive statistic when one is measuring ________ and has a ________ variable. Pick one that applies.

Match the example with the scale of measurement. Use above choices. -ROTC cadets are ranked by commanders from 1st to last. This scale is:

Match the scale of measurement with the variable. You may use the same scale of measurement more than once. -Ethnicity (5 categories).

The normal curve:

Properties of a normal curve include:

Approximately 34% of the area under the normal curve is between the mean and one standard deviation above the mean.

Match the example with the scale of measurement. Use above choices. -Dan's study compared four religions. This scale is:

The range of a normal curve is infinite: the extremes approach, but do not touch the X axis.

Definitions, Purposes, and Dimensions of Research

Planning a Quantitative Research Project

Variables, Research Questions, and Hypotheses

Research Approaches

Randomized Experimental and Quasi-Experimental Designs

Single-Subject Designs

Nonexperimental Approachesdesigns

Internal Validity

Sampling and Introduction to External Validity

Measurement Reliability

Measurement Validity

Types of Data Collection Techniques

Ethical Issues in Conducting the Study

Practical Issues in Data Collection and Coding

Making Inferences From Sample Data I: The Null Hypothesis Significance Testing Approach

Making Inferences From Sample Data II: the Evidence-Based Approach

General Design Classifications for Selection of Difference Statistical Methods

Selection of Appropriate Statistical Methods: Integration of Design and Analysis

Data Analysis and Interpretation: Basic Difference Questions

Analysis and Interpretation of Basic Associational Research Questions

Analysis and Interpretation of Complex Research Questions

Evaluating Research Validity: Part I

Evaluating Research Validity: Part II

Evaluating Research for Evidence-Based Practice

Writing the Research Report

Filters

The standard deviation is an appropriate descriptive statistic when one is measuring and has a variable. Pick one that applies.

Match the example with the scale of measurement. Use above choices. -ROTC cadets are ranked by commanders from 1^st to last. This scale is: