In a line graph of results of a 2x2 factorial experiment, an interaction is shown by: a) some points higher than others b) one line higher than another c) two lines not parallel to the x axis d) two lines not parallel to each other In a mixed design, a) there is one independent variable and one dependant variable b) one ...continues
After 5 weeks of voluntary wheel running…mice (of a certain strain) were significantly resistant to the sleep inducing effects of (alcohol). Sixty-four mice, 32 males and 32 females, were assigned to wheel (free access to a running wheel in the home cage) or no-wheel conditions. At the end of the training period, the animals wer ...continues
Internal validity and external validity of an experiment are contrasted.
I distinguish between internal validity and external validity of an experiment.
Single-subject research design is examined briefly.
The most basic single-subject research design is composed of the following phases:_______________________________________________________ The essential feature of this design that allows one to infer casual relationship is _____________________________________________________________ . These questions are discussed.
Researcher “Jack” is interested in how self-esteem affects willpower when dieting. He finds 20 students (10 Male, 10 Female) who agree to come to his lab one at a time for a study. The lab is stocked with a variety of snack foods. When they arrive, he gives them an unsolvable logic problem to work on. He then secretly flips a co ...continues
Quasi-experimental designs and true experimental designs are compared.
How do quasi-experimental designs differ from true experimental designs and under what conditions would you use a quasi-experimental design?
This job names and describes two ethical issues in this classic study. It also discusses how, by today's standard, these ethical ideals were violated.
1) Suggest changes to research procedures that could be implemented to alleviate these ethical concerns. 2) In your opinion, do the benefits of this study outweigh the costs? Why? Please see the attached PDF file for the Study and the attached Word file for the work already done.
Dykeman Article What can you tell me about Dykeman Article by answering the questions below? Dykeman, B. F. (2003). The effects of family conflict resolution on children's classroom behavior. Journal of Instructional Psychology. Why do you think the author chose a repeated measur ...continues
Reposting - measuring anxiety with naturalistic observation and survey methods
I have to do a research project combining naturalistic observation with survey methods. I'd like to measure anxiety levels in a population following a natural disaster. I'm already at the site and ready to go but I still don't have the necessary instruments. I'd really appreciate some help with finding a reliable instrument I ca ...continues
