Homework Answers
Answer: c. Differential research design
Explanation: In the differential research design we find that there are different types of group and the difference is on the basis of some pre-existing qualities. In the present research there are two different groups of children where one group of children belong to the family where parents are divorced and another group of children peacefully live with both the parents. The researcher is to find out the difference among them.
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Which of the following research designs is the correct one to use for comparing self-esteem scores...
Question 382 pts Which of these would be the stronger quasi-experimental design? Group of answer choices...
Question 382 pts Which of these would be the stronger quasi-experimental design? Group of answer choices one-group posttest-only design posttest-only design with a nonequivalent control group pretest-posttest design with a nonequivalent control group one-group pretest-posttest design
Using the ________ design, a researcher measures a dependent variable for one group of participants following...
Using the ________ design, a researcher measures a dependent variable for one group of participants following a treatment. Select one: a. non-equivalent control group Incorrect b. control time series c. one-group pretest-posttest d. one-group posttest only
1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible...
1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible: It reduces the threat of assignment bias It limits threats from time-related factors It provides some evidence of a potential cause-effect relationship It rules out differential history effects 2. Particularly when they do not include a control group, pre-post designs are most vulnerable to ____________-related threats to internal...
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....
1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of...
1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible: It reduces the threat of assignment bias It limits threats from time-related factors It provides some evidence of a potential cause-effect relationship It rules out differential history effects 2. Particularly when they do not include a control group, pre-post designs are most vulnerable to ____________-related threats to internal...
3. A researcher is interested in comparing the average self-esteem scores between college educated adults and...
3. A researcher is interested in comparing the average self-esteem scores between college educated adults and non-college educated adults. She collects a sample from each population to be in the study, which of the following tests would be appropriate for this analysis? i. Paired t test ii. Correlation Independent Samples T test iv. One Sample t test iii.
contrasting a repeated measures research design with matched subjects and independent measures designs A graduate student...
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
Research data indicates that adolescents, especially girls, experience an increase in self-esteem when given a team-sports...
Research data indicates that adolescents, especially girls, experience an increase in self-esteem when given a team-sports leadership program. To evaluate this result, a researcher obtains (randomly) a sample of n = 9 adolescent girls, all 13 years old. After they participate in the program a self-esteem test is given to each participant and the average score for the sample is M = 84. It is know that the distribution of self-esteem scores for the population of girls is normal with µ = 75....
Answer the following questions: 1) Which of the following research designs poses a threat to internal validity called se...
Answer the following questions: 1) Which of the following research designs poses a threat to internal validity called selection? a) one-shot case study b) one-group pretest-post test c) static-group comparison d) one-group 2) This type of research is considered a descriptive methodology in which results of interviews, observations, or questionnaires reveal what is happening at a particular occurrence. It involves recording, describing, analyzing, and interpreting conditions that presently exist. Comparisons and contrasts are attempted to reveal relationships between the non-manipulated...
please just select the correct answer no explanation needed 1) An RCT could use all of the following designs, except a:...
please just select the correct answer no explanation needed 1) An RCT could use all of the following designs, except a: a) randomized pretest–posttest design. b) crossover design. c) randomized posttest-only design. d) nonequivalent control group design. 2) A meta-analyst addressed the question of whether mindfulness-based interventions were effective in reducing anxiety in patients with cancer and found high levels of statistical heterogeneity (i.e., significant variation of effects across studies). What should the meta-analyst do? a) Use a random effects...
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....
3. A researcher is interested in comparing the average self-esteem scores between college educated adults and non-college educated adults. She collects a sample from each population to be in the study, which of the following tests would be appropriate for this analysis? i. Paired t test ii. Correlation Independent Samples T test iv. One Sample t test iii.
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
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