Question 1

Psychology participant pools provide a ______sample.

Accepted Answer

A)   convenient
B)   simple random
C)   stratified
D)   cluster

Question 2

One problem, noted in your text, with recruiting research participants through the Internet is that

Accepted Answer

A)   the participants may not be representative of non-Internet users.
B)   it is difficult to find diverse samples.
C)   contacting potential participants is difficult.
D)   most researchers are not "net savvy."

Question 3

The most common criticism regarding the use of college student participant pools is that

Accepted Answer

A)   students are coerced into participating in research.
B)   it may compromise internal validity.
C)   it may compromise external validity.
D)   it may introduce a confounding variable.

Question 4

Which of the following does NOT impact the power of a statistical test?

Accepted Answer

A)   the source of participants
B)   the effect size
C)   the sample size
D)   the alpha level

Question 5

Participants in human experiments are generally selected

Accepted Answer

A)   at random from the population.
B)   based on convenience and availability.
C)   through lotteries and newspaper ads.
D)   from phone books or class rosters.

Question 6

Power of a statistical test refers to

Accepted Answer

A)   the probability of rejecting a true null hypothesis.
B)   the probability of rejecting a false null hypothesis.
C)   the probability of not rejecting a true null hypothesis.
D)   the probability of not rejecting a false null hypothesis.

Question 7

One source of research participants that has been used with increasing frequency over the past decade is

Accepted Answer

A)   students enrolled in the first course in biology.
B)   monkeys.
C)   the Internet.
D)   elementary and secondary schools.

Question 8

Which of the following is NOT true with regard to procedures?

Accepted Answer

A)   as long as the instructions are uniformly presented, it is not very important how an experimenter greets and otherwise interacts with the participants
B)   the handling of rats between the home cages and the test apparatus can influence the outcome of the experiment
C)   all participants should experience the same events even though they are totally unrelated to the experiment
D)   it is far more important to treat human participants in exactly the same manner than it is for non-human participants

Question 9

The probability of rejecting a false null hypothesis is referred to as

Accepted Answer

A)   power.
B)   potency.
C)   serendipity.
D)   sample. A

Question 10

When writing instructions for participants to follow or read, which of the following should be considered important?

Accepted Answer

A)   scientific, technical language
B)   using phrases such as " ignore distractions"
C)   using simple, easy to understand language
D)   none of the above

Question 11

Even though psychologists are interested in behavioral diversity, most participants in psychological experiments are

Accepted Answer

A)   cats and dogs.
B)   animals and introductory psychology students.
C)   rats and pigeons.
D)   farm animals.

Question 12

When conducting an Internet based study it is a good idea to not only conduct a pilot study using several participants but to also complete the study yourself because

Accepted Answer

A)   completing the study yourself allows you to understand how it feels to complete an online study
B)   having participants complete the study allows you to get feedback regarding whether the study works properly in your browser
C)   this will allow you to determine if the data collected will be returned to you is an manner that is understandable and arranged in a way that can be statistically analyzed.
D)   All of the above are correct Vocabulary D

Question 13

Instructions serve many purposes in the data collection process. Which of the following is NOT among them?

Accepted Answer

A)   define the participants' task for them
B)   motivate participants to perform well
C)   direct participants' attention to relevant stimuli
D)   explain to participants the true nature of the study

Question 14

As sample size increases,

Accepted Answer

A)   research becomes less valid.
B)   the ability to detect statistically significant differences among groups.
C)   average scores on the dependent variable increase
D)   scores on the independent variable decrease

Question 15

What should be the main determinant of what kind of organism is used in a given experiment?

Accepted Answer

A)   availability
B)   precedent; what others in the field use
C)   cost
D)   the type of research problem

Question 16

Other than humans, the most common research participants are

Accepted Answer

A)   rhesus monkeys
B)   house cats
C)   albino rats
D)   fruit flies

Question 17

The _______function of debriefing is fulfilled when researchers are able to accurately judge participants' suspicions and perceptions.

Accepted Answer

A)   ethical
B)   methodological
C)   educational
D)   satisfaction B

Question 18

Generally speaking, as the number of the participants in the study increases,

Accepted Answer

A)   power decreases.
B)   power also increases.
C)   the likelihood of correctly rejecting the null hypothesis decreases.
D)   the likelihood of making a Type II error also increases.

Question 19

Power refers to

Accepted Answer

A)   the chances of rejecting the false null hypothesis.
B)   the chances of rejecting a true null hypothesis.
C)   the chances of rejecting any null hypothesis.
D)   the chances of generalizing your results beyond the sample tested.

Question 20

Which of the following should be done first during debriefing?

Accepted Answer

A)   ask participants questions about their experience
B)   let participants ask questions about their experience
C)   tell participants that deception was involved in the research
D)   explain the purpose of the research

Exam 9: Procedure for Conducting an Experiment

Psychology participant pools provide a ______sample.

Correct AnswerverifiedShow Answer

One problem, noted in your text, with recruiting research participants through the Internet is that

Correct AnswerverifiedShow Answer

The most common criticism regarding the use of college student participant pools is that

Correct AnswerverifiedShow Answer

Which of the following does NOT impact the power of a statistical test?

Correct AnswerverifiedShow Answer

Participants in human experiments are generally selected

Correct AnswerverifiedShow Answer

Power of a statistical test refers to

Correct AnswerverifiedShow Answer

One source of research participants that has been used with increasing frequency over the past decade is

Correct AnswerverifiedShow Answer

Which of the following is NOT true with regard to procedures?

Correct AnswerverifiedShow Answer

The probability of rejecting a false null hypothesis is referred to as

Correct AnswerverifiedA

When writing instructions for participants to follow or read, which of the following should be considered important?

Correct AnswerverifiedShow Answer

Even though psychologists are interested in behavioral diversity, most participants in psychological experiments are

Correct AnswerverifiedShow Answer

When conducting an Internet based study it is a good idea to not only conduct a pilot study using several participants but to also complete the study yourself because

Correct AnswerverifiedD

Instructions serve many purposes in the data collection process. Which of the following is NOT among them?

Correct AnswerverifiedShow Answer

As sample size increases,

Correct AnswerverifiedShow Answer

What should be the main determinant of what kind of organism is used in a given experiment?

Correct AnswerverifiedShow Answer

Other than humans, the most common research participants are

Correct AnswerverifiedShow Answer

The _______function of debriefing is fulfilled when researchers are able to accurately judge participants' suspicions and perceptions.

Correct AnswerverifiedB

Generally speaking, as the number of the participants in the study increases,

Correct AnswerverifiedShow Answer

Power refers to

Correct AnswerverifiedShow Answer

Which of the following should be done first during debriefing?

Correct AnswerverifiedShow Answer

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A

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D

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B

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