The correct answer would be option 1, Correlation. Correlation research strategy would allow you to determine whether students’ college grades accurately predict later income.
How do you research psychologist know the results are not likely due to chance?
How do research psychologists know their results are NOT likely due to chance? A small p value and a large sample with a correlation coefficient close to 1 or -1 . Inferential statistic tests, such as a t-test or ANOVA, analyze the amount of difference found and the size of the sample.
If shoe size and IQ are negatively correlated, which of the following is true? a. People with large feet tend to have high IQs. ... IQ is unpredictable based on a person’s shoe size .
Which of the following is the measure of central tendency that would be most affected by a few extreme scores *?
Median is the preferred measure of central tendency when: There are a few extreme scores in the distribution of the data. (NOTE: Remember that a single outlier can have a great effect on the mean).
When writing an educated guess or describe your best about a theory you believe your prediction of if/then called a ?
You want to make one or more predictions for your study. Such a prediction is called a hypothesis . It is an educated guess regarding what should happen in a particular situation under certain conditions.
How do you manipulate independent variables?
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
What is a limitation that affects the generalizability of research results?
What is the limitation that affects the generalizability of research results? Small sample size . Dr. Matter is interested in knowing more about brain injury to the occipital vortex, and he studies patients individually in order to gain in-depth knowledge about their behaviors.
Does shoe size affect IQ?
A new study suggests that your shoe size may be a predictor of whether or not you’ll be smart enough to get into Harvard or Yale. For boys, 91 percent of participants who scored in the top five percent had a shoe size of either 10 or 11. ...
Does shoe size affect intelligence?
There will be no correlation between shoe size and age . If you look at the projection of the points in the IQ-age plane, there will be a positive correlation between age and IQ. If you look at the projection in the shoe-size IQ plane, there will be no correlation between shoe size and IQ.
Which measure of variation is most affected by extreme scores group of answer choices?
1 Answer. The Median . An extreme score will skew the value to one side or the other.
Which measure of central tendency is most reliable when scores are extremely high and low?
Median . The median is the middle value in a distribution. It is the point at which half of the scores are above, and half of the scores are below. It is not affected by outliers, so the median is preferred as a measure of central tendency when a distribution has extreme scores.
Which measure of central tendency is not affected by extreme scores?
When one has very skewed data, it is better to use the median as measure of central tendency since the median is not much affected by extreme values.
What is most affected by extreme scores?
Arithmetic mean refers to the average amount in a given group of data. It is defined as the summation of all the observation in the data which is divided by the number of observations in the data. Therefore, mean is affected by the extreme values because it includes all the data in a series.
Which type of research would allow you to determine whether students grades?
The correct answer would be option 1, Correlation. Correlation research strategy would allow you to determine whether students’ college grades accurately predict later income.
Which choice is an accurate definition of a hypothesis?
Which choice is an accurate definition of a hypothesis? A means of explaining social phenomena . A way of looking at the world . An idea that proves a theory . A tentative explanation .
Is a hypothesis an educated guess?
A hypothesis is an educated guess or prediction about the relationship between two variables . It must be a testable statement; something that you can support or falsify with observable evidence. The objective of a hypothesis is for an idea to be tested, not proven.
