Purchase Solution

Random Selection

Not what you're looking for?

Ask Custom Question

Describe the difference between random assignment and random selection in group designs.

Purchase this Solution
Solution Summary

Describe the difference between random assignment and random selection in group designs.

Solution Preview

Random Selection:
Random selection occurs when a sample is randomly drawn from a population. Here's an example. Let's suppose a group of scientists were interested in finding out about the effects of a particular reading program on students attending school in particular region. If the research team had a list of all of the students attending school in that region and randomly selected a group of students from that list, we could say that that sample had been randomly selected. ...

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

View More Free Quizzes
Related BrainMass Solutions

  • Random Selection: Why Is It Necessary?

    537023 Random Selection: Why Is It Necessary? Explain why random selection is necessary for sampling to be effective and statistically accurate.

  • Probability of Random Letter Selection

    What is the probability of coming up with the correct unscrambling through random letter selection? How many ways can the letters of YARNLE be arranged?

  • Insertion Sort and Selection Sort Using C

    591850 Insertion Sort and Selection Sort Using C Implement insertion sort and selection sort using C programming language: 1. Generate an array of random integers to be sorted using either insertion sort or selection sort. 2.

  • Sample Type

    To prevent any possible selection bias, one must choose the first employee at random. Thus, in this case, one would first pick a random number between 1 and 10, which would become the starting point in the selection process.

  • Standard Deviation

    A random sample of 100 experimental unitsis one selected from the population in such a way that every different sample of size 100: b.) has an equal chance of selection #1) The sample standard deviation is a measure of: a.) center tendency

  • Probability low to charge that instead of using random selection

    b) The probability given above is so unlikely that we would conclude that the company did not use random selection. D. The probability low enough to charge that instead of using random selection is determined.

  • Java Programming with Commented Code

    The user will be prompted for their selection. The code will randomly select 1% of the households for one of the five products using the random method. Your code would generate numbers for 1% of the available household population.

  • Hypothesis Test: Fitness Camp Glasses

    Is it likely that the researchers used random selection? Explain. It is less likely that the researchers used random selection because the information is not sufficient to conclude that the researchers used random selection at fitness camp.

  • Random Selection Probabilities from a Box Plot

    The solution gives the mean and random selection probabiity of several traits in a Word document for this box plot of women's heights.

View More Related Solutions