Capella PSYC4700 Week 1 Quiz Latest 2023

PSYC4700 - Stat for Behavioral Sciences

Week 1 Quiz 1

Question 1

Three research methods common to research in the behavioral sciences are                                     

a. experimental, transferable, and correlation.

b. experimental, variable, and correlational.

c. experimental, operational, and quasi-correlational.

d. experimental, quasi-experimental, and correlational.

Question 2

The use of tables and graphs to summarize data is an example of                                            

a. inferential statistics.

b. interpretation.

 c. descriptive statistics.

d. generalization.

Question 3

True or False: Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.                                     

True

False

Question 4

Researchers measure data in a ______ to learn more about individuals in the larger ______ of interest.              

a. sample; population

b. statistic; inference

c. population; sample

d. inference; statistic

Question 5

A researcher records the time it takes to complete a memory task in a sample of 25 participants. He finds that the average participant completed the test in 43 seconds. The average time to complete this task is called a(n)                                          

a. population parameter.

 b. sample statistic.

c. inferential statistic.

d. time trial.

Question 6

Which of the following best describes an independent variable?                                              

a. the sample variable

b. the measured behavior

 c. the manipulated variable

d. the population variable

Question 7

An animal researcher measures the number of times a rat presses a lever located at the right, center, and left of a cage for a food reward. What scale of measurement is the location of lever pressing?     

a. nominal

b. ordinal

c. interval

d. ratio

Question 8

State the four scales of measurement in order from least informative to most informative:                        

a. ordinal, nominal, interval, ratio

 b. nominal, ordinal, interval, ratio

c. nominal, ordinal, ratio, interval

d. ordinal, nominal, ratio, interval

Question 9

A researcher measures the body temperature (in degrees Fahrenheit) of participants immediately before and immediately following sleep. Temperature is on what scale of measurement?                             

a. nominal

b. ordinal

 c. interval

d. ratio

Question 10

______ data describe numeric aspects of phenomena, whereas ______ data describe nonnumeric aspects of data.                                     

a. Quantitative; qualitative

b. Qualitative; quantitative

c. Continuous; discrete

d. Discrete; continuous

Question 11

Qualitative data vary by ______; quantitative data vary by ______.                                       

a. level; value

b. value; level

c. amount; class

 d. class; amount

Question 12

______ are measured in whole units or categories that are not distributed along a continuum.                 

a. Continuous data

 b. Discrete data

c. Quantitative data

d. Open-ended data

Question 13

True or False: Children are randomly assigned to complete a low, moderate, or high difficulty task. The time (in seconds) it takes them to complete the task is recorded. In this example, the level of task difficulty is the dependent variable.                                        

True

False

Question 14

True or False: A rating scale measurement from 1 (completely disagree) to 7 (completely agree) is an example of continuous, qualitative data.                                     

True

False

Question 15

True or False: A categorical variable is an example of discrete data.                                         

True

False