Week three quiz psy/245 r2

Don't use plagiarized sources. Get Your Assignment on
Week three quiz psy/245 r2
Just from $13/Page
Order Now

University of Phoenix Material  

 

Week Three Quiz

 

1. When we do an experiment , we

a. measure independent variables

b. produce dependent variables

c. produce control variables

d. produce a comparison

e. hold independent variables constant

2. The control group in an experiment

a. fixes the level of a variable across all experimental conditions

b. is often untreated

c. receives the same level of the independent variable as the experimental group

d. refers to the manipulation of the independent variable

3. In research on the decompression of pregnant rats, the independent variable is __________, a dependent variable is __________, and a control variable is __________.

a. reduced air pressure; behavioral tests; strain of the rat

b. body weight; climbing ability; time of day

c. atmospheric pressure; age of rat; climbing ability

d. number of decompressions; body weight; home cage

e. experimental group; control group; test performance

4. In experiments, independent variables are

a. the result of careful measurements

b. extraneous to the experiment and held constant

c. extraneous to the experiment and allowed to vary randomly

d. independent of experimenter control

e. varied by the researcher

5. Dependent variables are

a. manipulated by the researcher

b. potential independent variables that are held constant 

c. measured by the researcher

d. probable behavioral causes

6. One reason a valid experiment may produce null results is that

a. the range of levels in the independent variable was insufficient to show an effect

b. the dependent variable reflects a broad range of performance

c. the experiment is conducted in an environment that is too difficult

d. reactivity occurs in the participants (such as, they adopt the role of “good behavior”)

7. In experiments, the independent variable should be __________, the dependent variable should be __________, and the control variable should be __________.

a. controlled; constant; randomized

b. constant; an effect; causal

c. free; restricted; elevated

d. balanced; unconfounded; an effect

e. manipulated; measured; held constant

8. An interaction occurs when

a. an independent variable effects a dependent variable

b. one independent variable effects a second independent variable

c. the effect one dependent variable has is not the same at each level of a second dependent variable

d. the effect one independent variable has is not the same at each level of a second independent variable

9. The Hawthorne effect is an example of

a. experimenter bias

b. reactivity in an experiment

c. participant observation

d. unobtrusive outcomes

10. A variable that inadvertently causes an experimental result is

a. confounded with the dependent variable

b. confounded with the independent variable

c. confounded with the control variables

d. unlikely to be important in experiments

11. Construct validity permits one to

a. generalize

b. attribute causality

c. have confidence in constructs

d. support the hypothesis

12. A source of construct invalidity is

a. bias

b. random error

c. carry-over effects

d. counterbalancing

13. If a study has external validity, one is entitled to

a. generalize

b. attribute causality

c. have confidence in constructs

d. support the hypothesis

14. Internal validity allows one to

a. generalize

b. attribute causality

c. have confidence in constructs

d. support the hypothesis

15. Which of the following is the most likely to have the greatest internal validity?

a. Surveys

b. Case studies

c. Relational research

d. Experiments

16. Test reliability determined by a correlation between scores from the same test taken at two different times is called

a. test-retest reliability

b. parallel forms reliability

c. split-half reliability

d. predictive reliability

17. Statistical reliability determines whether results

a. will occur five percent of the time

b. occur because of chance

c. are internally valid

d. are produced by bias

18. A major threat to internal validity is

a. confounding

b. deviant-case analysis

c. truncated range

d. dependent variables

19. A type of validity that is specifically concerned with being able to make causal statements about relationships between variables is __________ validity.

a. external

b. internal

c. construct

d. predictive

20. A replication of research helps to determine __________ validity.

 

Calculate your paper price
Pages (550 words)
Approximate price: -

Why Choose Us

Quality Papers

At Myhomeworkwriters.com, we always aim at 100% customer satisfaction. As such, we never compromise o the quality of our homework services. Our homework helpers ensure that they craft each paper carefully to match the requirements of the instruction form.

Professional Academic Writers

With Myhomeworkwriters.com, every student is guaranteed high-quality, professionally written papers. We ensure that we hire individuals with high academic qualifications who can maintain our quality policy. These writers undergo further training to sharpen their writing skills, making them more competent in writing academic papers.

Affordable Prices

Our company maintains a fair pricing system for all academic writing services to ensure affordability. Our pricing system generates quotations based on the properties of individual papers.

On-Time delivery

My Homework Writers guarantees all students of swift delivery of papers. We understand that time is an essential factor in the academic world. Therefore, we ensure that we deliver the paper on or before the agreed date to give students ample time for reviewing.

100% Originality

Myhomeworkwriters.com maintains a zero-plagiarism policy in all papers. As such, My Homework Writers professional academic writers ensure that they use the students’ instructions to deliver plagiarism-free papers. We are very keen on avoiding any chance of similarities with previous papers.

Customer Support 24/7

Our customer support works around the clock to provide students with assistance or guidance at any time of the day. Students can always communicate with us through our live chat system or our email and receive instant responses. Feel free to contact us via the Chat window or support email: support@myhomeworkwriters.com.

Try it now!

Calculate the price of your order

You will get a personal manager and a discount.
We'll send you the first draft for approval by at
Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Homework Writing Services

My Homework Writers holds a reputation for being a platform that provides high-quality homework writing services. All you need to do is provide us with all the necessary requirements of the paper and wait for quality results.

Essays

Essay Writing Services

At My Homework Writers, we have highly qualified academic gurus who will offer great assistance towards completing your essays. Our homework writing service providers are well-versed with all the aspects of developing high-quality and relevant essays.

Admissions

Admission and Business Papers

With Myhomeworkwriters.com, we will help you secure a position at your desired institution. Our essay writing services include the crafting of admissions papers. We will still help you climb your career ladder by helping you write the official papers that will help you secure a job. We will guide you on how to write an outstanding portfolio or resume.

Editing

Editing and Proofreading

Myhomeworkwriters.com has a professional editorial team that will help you organize your paper, paraphrase it, and eliminate any possible mistakes. Also, we will help you check on plagiarism to ensure that your final paper posses quality and originality.

Coursework

Technical papers

My Homework Writers harbors professional academic writers from diverse academic disciplines. As such, we can develop homework writing services in all academic areas. The simplicity or complexity of the paper does not affect the quality of homework writing services.