To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to...?
A. Find significant differences between groups at at-least the .05 level
B. Use T-test or ANOVA procedures to conduct the analysis
C. Have random assignment of participants to treatment levels and control conditions as a basis of design, prior to conducting analysis
D. Deploy at least a quasi-experimental design

  1. 👍
  2. 👎
  3. 👁
  1. C.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Language Arts

    Which option tells what it means to draw conclusions from your research? A) complete a detailed investigation of a topic B)read through sources multiple times C)make inferences based on the information D)search for different types

  2. Language Arts

    1. Which of the following best describes text evidence?(1 point) A. ideas or conclusions about details that are hinted at but not stated B. information or details from a text that support an idea or analysis*** C. data on the

  3. mathematics

    Data is collected on the number of ice cream cones sold in a shop on a certain day and the number of people wearing sunglasses visiting the shop that same day. What type of relationship is most likely to exist between these two

  4. math

    Wilson reads an article that says students who eat blueberries the morning of a test tend to have higher test scores. The article claims that eating blueberries causes an improvement in test scores. Which of the following

  1. Science

    1. The senses are used to make which of the following? (1 point.) inferences predictions evaluations observations*****

  2. Lang Arts

    Read the excerpt from We Beat the Street. "Our nation’s health-care system is still a dual system, you know,” Dr. Blackman continued. "African-Americans, other minorities, and all those classified as poor in this country still

  3. statistics

    A researcher uses an analysis of variance to test for mean differences among three treatment conditions using a sample of n = 8 participants in each treatment. What degrees of freedom (df) would the F-ratio from this analysis

  4. Statistics

    Question 1 Use the following research question and data for questions 1 - 6. A researcher is examining the effects of a computer-based training program designed to teach algebra. The researcher randomly selects subjects for two

  1. Quantitative Analysis

    To make meaningful causal inferences when conducting quantitative analyses, one must employ...? A. Dummy coding when using regression models B. Parametric methods of analysis robust in relationship to violation of basic

  2. statistics

    For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for dfwithin?

  3. Statistics

    When is it appropriate to draw a causal connection between two measurement variables? In other words, what conditions must be met in the study and in the analysis to show a causal relationship? My answer : 1.There needs to be a

  4. statistics

    In a test of the effectiveness of garlic for lowering cholesterol, 47 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their levels of

You can view more similar questions or ask a new question.