Homework Answers
A quasi experimental or nonexperimental research design that compares with different groups of participants is called ................................ a (n) whereas one that ...............................................................................
ANSWER- nonequivalent groups design, pre-post design
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A quasi-experimental or nonexperimental research design that compares different groups of participants is called a(n) one...
A study is considered a(n) ______ design because all the participants will complete the same task...
A study is considered a(n) ______ design because all the participants will complete the same task in two different environments. Group of answer choices between-subjects within-groups within-subjects between-groups ______ is a between-subjects experiment that involves sets of participants matched on a specific characteristic with each member of the set randomly assigned to a different level of the independent variable. Group of answer choices Related/paired samples t test Post hoc design Matched design Pretest–posttest design
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
In a research design that compares extraversion in men versus women, participant gender is called a(n)......
In a research design that compares extraversion in men versus women, participant gender is called a(n)... a. quasi-independent variable. b. manipulated variable. c. predictor variable. d. independent variable.
A research study is conducted where 15 participants complete a 12-week control period followed by a...
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
A researcher used a two-group quasi-experimental (nonequivalent control group) design to test the effect of a...
A researcher used a two-group quasi-experimental (nonequivalent control group) design to test the effect of a Tai Chi intervention on quality of life in nursing home residents. The elders’ age was statistically controlled. What procedure for statistical control might the researcher have used? A. Propensity score matching B. Analysis of covariance C. Manipulation checks D. Power analysis
24. Design in which different groups of people are tested and compared, such as when you...
24. Design in which different groups of people are tested and compared, such as when you test the effectiveness of a new drug and have a group that receives the drug and a group that receives a placebo: a. Within-participant designe b. Between-participant designe c. Interrupted time series comparison designe d. Two treatment design 27. When the effect of one independent variable depends upon the level of another independent variable:4 a. Interaction effecte b. Simple main effecte c. Marginal main...
Dr. Hershey is investigating whether consuming different types of candy creates differences in memory. Participants are...
Dr. Hershey is investigating whether consuming different types of candy creates differences in memory. Participants are randomly assigned to one of three conditions: sweet, sour, and no candy. Participants in each condition are shown a list of 10 words to remember. What type of research design is this? quasi-experimental correlational none of the options matched-subjects
An experimenter wanted to see if different colors of sunglass lenses caused participants to ...
An experimenter wanted to see if different colors of sunglass lenses caused participants to estimate the distances of automobiles differently. Participants were selected randomly from the population and then randomly assigned to wear sunglasses with lens in one of three color conditions, gray, brown, or yellow before estimating the distance of an automobile on projected on a screen. Which of the following best describes this experimental design? Select one: a. completely randomized factorial design b. completely between subjects factorial design...
7. An advantage of the matched groups research design is that it: provides a less ambiguous interpretation of the results than the repeated measures design. has more statistical power th...
7. An advantage of the matched groups research design is that it: provides a less ambiguous interpretation of the results than the repeated measures design. has more statistical power than the between-groups design with random assignment. requires fewer research subjects than the repeated measures design. has more statistical power than the repeated measures design. 8. One way to increase the statistical power within a between-groups design is to: have each participant contribute two data points per condition. match participants on...
Answer the following parts: Aerobic dancing study: A researcher wants to know which exercise program is more...
Answer the following parts: Aerobic dancing study: A researcher wants to know which exercise program is more effective in reducing body mass index (BMI) in 60 to 70 year-old individuals with diabetes: 1) a 20 minute aerobic dancing program or 2) a 20 minute walking program. The participants in the research project will be 60 volunteers living in a large gated retirement community. Participants will be randomly assigned to either the aerobic dancing group or the walking group. Participants will exercise...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
In a research design that compares extraversion in men versus women, participant gender is called a(n)... a. quasi-independent variable. b. manipulated variable. c. predictor variable. d. independent variable.
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
24. Design in which different groups of people are tested and compared, such as when you test the effectiveness of a new drug and have a group that receives the drug and a group that receives a placebo: a. Within-participant designe b. Between-participant designe c. Interrupted time series comparison designe d. Two treatment design 27. When the effect of one independent variable depends upon the level of another independent variable:4 a. Interaction effecte b. Simple main effecte c. Marginal main...
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