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Posted: August 9th, 2022

Two worksheets | Online writing help writing psychology assignment homework

College of Phoenix Materials

 

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Reliability and Validity Matrix

 

For every of the exams of reliability and validity listed on the matrix, put together a 50- to 100-word description of the take a look at’s utility. Describe what situations these reliability sorts could be used for in addition to after they could be inappropriate. Then, for every take a look at, put together a 50- to 100-word description of the strengths and a 50- to 100-word description of the weaknesses.

Check of reliability

Utility and appropriateness

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Benefits

Disadvantages

Inside consistency

 

 

 

 

Cut up-half

 

 

 

 

Check or retest

 

 

 

 

Parallel and alternate types

 

 

 

 

Check of validity

Utility and appropriateness

Strengths

Weaknesses

Face validity

 

 

 

 

Content material validity

 

 

 

 

Criterion associated

 

 

 

 

Assemble

 

 

 

 

 

 

AND

 

 

Time to Observe – Week Two

 

Full Components A, B, and C under.

 

Half A

 

Some questions in Half A require that you just entry information from Statistics for Individuals Who (Assume They) Hate Statistics. This information is obtainable on the coed web site underneath the Pupil Textual content Sources hyperlink.

 

  1. Why is a z rating a regular rating? Why can customary scores be used to match scores from totally different distributions?

 

  1. For the next set of scores, fill within the cells. The imply is 70 and the usual deviation is eight.

 

Uncooked rating

Z rating

68.zero

?

?

–1.6

82.zero

?

?

1.eight

69.zero

?

?

–zero.5

85.zero

?

?

1.7

72.zero

?

 

  1. Questions 3a via 3d are primarily based on a distribution of scores with and the usual deviation = 6.38. Draw a small image that can assist you see what’s required.

 

  1. What’s the chance of a rating falling between a uncooked rating of 70 and 80?

  2. What’s the chance of a rating falling above a uncooked rating of 80?

  3. What’s the chance of a rating falling between a uncooked rating of 81 and 83?

  4. What’s the chance of a rating falling under a uncooked rating of 63?

 

  1. Jake wants to attain within the high 10% in an effort to earn a bodily health certificates. The category imply is 78 and the usual deviation is 5.5. What uncooked rating does he want?

 

  1. Who’s the higher pupil, relative to his or her classmates? Use the next desk for data.

 

Math

 

 

 

Class imply

81

 

 

Class customary deviation

2

 

 

Studying

 

 

 

Class imply

87

 

 

Class customary deviation

10

 

 

Uncooked scores

 

 

 

 

Math rating

Studying rating

Common

Noah

85

88

86.5

Talya

87

81

84

Z-scores

 

 

 

 

Math rating

Studying rating

Common

Noah

 

 

 

Talya

 

 

 

 

From Salkind (2011). Copyright © 2014: 2024 – Essay Writing Service. Custom Essay Services Cheap SAGE. All Rights Reserved. Tailored with permission.

 

Half B

 

Some questions in Half B require that you just entry information from Utilizing SPSS for Home windows and Macintosh. This information is obtainable on the coed web site underneath the Pupil Textual content Sources hyperlink.

 

The information for Workout routines 6 and seven are within theinformation file named Lesson 20 Train File 1. Reply Workout routines 6 and seven primarily based on the next analysis downside:

 

Ann desires to explain the demographic traits of a pattern of 25 people who accomplished a large-scale survey. She has demographic information on the individuals’ gender (two classes), instructional degree (4 classes), marital standing (three classes), and group inhabitants measurement (eight classes).

 

  1. Utilizing IBM® SPSS® software program, conduct a frequency evaluation on the gender and marital standing variables. From the output, establish the next:

 

  1. P.c of males

  2. Mode for marital standing

  3. Frequency of divorced folks within the pattern

 

  1. Utilizing IBM® SPSS® software program, create a frequency desk to summarize the info on the tutorial degree variable.

 

The information for Train eight is obtainable within the information file named Lesson 21 Train File 1.

 

  1. David collects nervousness scores from 15 faculty college students who go to the college well being heart throughout finals week. Compute descriptive statistics on the nervousness scores. From the output, establish the next:

 

  1. Skewness

  2. Imply

  3. Normal deviation

  4. Kurtosis

 

From Inexperienced & Salkind (2011). Copyright © 2014: 2024 – Essay Writing Service. Custom Essay Services Cheap Pearson Training. All Rights Reserved. Tailored with permission.

 

Half C

 

Full the questions under. Be particular and supply examples when related.

 

Cite any sources according to Ace homework tutors – APA pointers.

 

Query

Reply

What’s the relationship between reliability and validity? How can a take a look at be dependable however not legitimate? Can a take a look at be legitimate however not dependable? Why or why not?

 

How does understanding chance assist you to perceive statistics?

 

How might you employ customary scores and the usual distribution to match the studying scores of two college students receiving particular studying useful resource assist and one pupil in a regular classroom who doesn’t get particular assist?

 

In a regular regular distribution: What does a z rating of 1 symbolize? What % of circumstances fall between the imply and one customary deviation above the imply? What % fall between the imply and –1 to +1 customary deviations from the imply? What % of scores will fall between –three and +three customary deviations underneath the conventional curve?

 

 

 

 

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