Question 1

Which of the following are necessary in an experimental design?

Accepted Answer

A) Random assignment and control condition 
B) Experimental manipulation and control condition 
C) Random assignment and experimental manipulation 
D) Null hypothesis and control condition 
A) Random assignment and control condition 
B) Experimental manipulation and control condition 
C) Random assignment and experimental manipulation 
D) Null hypothesis and control condition

Question 2

Which of the following statements is true?

Accepted Answer

A) The t test is a special case of the F test. 
B) The t test can be used to compare two or more means. 
C) The F test can be used only to compare two means. 
D) The t test is used in correlational research, but the F test is used in experimental research. 
A) The t test is a special case of the F test. 
B) The t test can be used to compare two or more means. 
C) The F test can be used only to compare two means. 
D) The t test is used in correlational research, but the F test is used in experimental research.

Question 3

The goal of random assignment to conditions is to

Accepted Answer

A) ensure that the independent variable occurs prior to the dependent variable. 
B) ensure that participants are selected randomly from the population. 
C) ensure that the participants in the different conditions of the experiment are, on average, equivalent before the experiment begins. 
D) select which individuals will receive which dependent measure. 
A) ensure that the independent variable occurs prior to the dependent variable. 
B) ensure that participants are selected randomly from the population. 
C) ensure that the participants in the different conditions of the experiment are, on average, equivalent before the experiment begins. 
D) select which individuals will receive which dependent measure.

Question 4

Which of the following represents the null hypothesis about the means of the dependent variable in a one-way ANOVA with two levels?

Accepted Answer

A) The mean in level A is equal to the mean in level B. 
B) The mean in level A is greater than the mean in level B. 
C) The mean in level A is either greater than or less than the mean in level B. 
D) The mean in level A is significantly correlated with the mean in level B. 
A) The mean in level A is equal to the mean in level B. 
B) The mean in level A is greater than the mean in level B. 
C) The mean in level A is either greater than or less than the mean in level B. 
D) The mean in level A is significantly correlated with the mean in level B.

Which of the following are necessary in an experimental design?

Which of the following statements is true?

The goal of random assignment to conditions is to

Which of the following represents the null hypothesis about the means of the dependent variable in a one-way ANOVA with two levels?

Introduction to Research and Research Designs

The Research Hypothesis

Ethics in Research

Measures

Reliability and Validity

Surveys and Sampling

Naturalistic Methods

Hypothesis Testing and Inferential Statistics

Correlational Research Designs

Experimental Research: Factorial Designs

Experimental Control and Internal Validity

External Validity

Quasi-Experimental Research Designs

Reporting Research Results

Data Preparation and Univariate Statistics

Bivariate Statistics

Multivariate Statistics

Filters

Exam 10: Experimental Research: One-Way Designs

Which of the following are necessary in an experimental design?

Which of the following statements is true?

The goal of random assignment to conditions is to

Which of the following represents the null hypothesis about the means of the dependent variable in a one-way ANOVA with two levels?

Introduction to Research and Research Designs

The Research Hypothesis

Ethics in Research

Measures

Reliability and Validity

Surveys and Sampling

Naturalistic Methods

Hypothesis Testing and Inferential Statistics

Correlational Research Designs

Experimental Research: Factorial Designs

Experimental Control and Internal Validity

External Validity

Quasi-Experimental Research Designs

Reporting Research Results

Data Preparation and Univariate Statistics

Bivariate Statistics

Multivariate Statistics

Filters