Exam 9: Multi-Group Design: Part 2

A higher standard deviation in one group compared with others suggests that participants in that group endorsed _____ of responses.

If you have a multigroup design with four groups,roughly what is the minimum number of participants you should have for reasonable power in your study?

What is the symbol for effect size?

When conducting a study using multiple groups it is best to have at least _____ per condition for adequate power.

_____ is a statistical test researchers use to look for potential differences that they did not anticipate or predict prior to the study.

Which of the following statistics is produced by an ANOVA?

Which of the following is the symbol for chi-square?

In a 2008 study examining the effect of experiencing physical warmth on the manifestation of interpersonal warmth found:

In a 2010 study investigating whether darkness increases dishonesty and self-interested behaviors it was suggested that:

If you have a multigroup design with 12 groups,roughly what is the minimum number of participants you should have for reasonable power in your study?

In a study examining physical health,which of the following variables would be considered the independent variable based on this research question: How does the frequency of contact with animals influence an elderly patient's physical health based on doctor report?

In a study examining social interaction,which of the following variables would be considered the dependent variable based on this research question: How does the number of close friends a child reports influence his or her social and emotional competency with unfamiliar peers?

In an experiment studying treatment effectiveness for ADHD in adults,which of the following would be considered a placebo?

In a study examining sleep,which of the following variables would be considered the dependent variable based on this research question: How does the duration of sleep influence productivity at work for individuals with sleep apnea?

_____ are statistical tests that allow researchers to test comparisons between groups that are predicted ahead of time.

In a study examining Internet gaming,which of the following variables would be considered the independent variable based on this research question: How does duration of Internet gaming influence the gamer's attitudes toward social interaction with peers?

Researchers decide to use self-report,teacher report,and parent report data,as well as sociometric data from peers.These researchers are employing _____ to help answer the desired research question.

Which of the following statements is true regarding post-hoc tests and planned contrasts?

In a 2008 study examining the cognitive benefits of interacting with nature it was found that:

In an experimental design if participants were not influenced by the _____,there really was not an experiment.