Reporting the Multiple Regression

1. Why is healthy sleep pattern in adults important and what is a healthy adult sleep pattern like? (Keep this brief.)

2. What are some of the effects of sleep disruption on everyday functioning? (Restrict this to some key findings on sleep deprivation/disruption in naturalistic settings especially with regard to academic performance in school and university students.)

3. Recently, sleep researchers have questioned whether individual differences in preferred sleep patterns influence how vulnerable people are to disrupted sleep. Explain what kinds of differences (named) researchers in this field think are important. You should make the point that, if these differences are important but are generally being ignored, they could be a source of uncontrolled extraneous variation in sleep research – AND THAT IS A BAD THING, A VERY BAD THING.

4. So…before sleep researchers start worrying about whether they need to control for individual differences in their studies, we should find out whether they really are associated with everyday functioning. You can’t cover every kind of individual difference or every type of cognitive functioning so you will need to justify the limits of your investigation. Much of the research you will have written about concerns school and college students but you are moving on to study an older group of adults. Academic performance is also an outcome variable often used by researchers but everyday cognitive functioning is relevant to adults in general.

5. Make sure you end the introduction with a very clear research prediction: Do individual differences in sleep patterns predict everyday cognitive performance? Elaborate on that idea: taken together, do the IVs identified as important by researchers, particularly Ferrara and DeGennaro (2001), i. e. age, gender, preferred sleep hours, morningness/eveningness and napability, predict everyday cognitive failures? In this case we are asking whether scores on the Cognitive Failures Questionnaire (CFQ: Broadbent, Cooper, FitzGerald and Parkes, 1982) can be predicted by these five IVs. If this turns out to be the case, there is validity in claims that individual somnotypologies should be taken into account in sleep research.



Sample Solution

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