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- I'm having trouble finding the dependent and independent variables of this scenaro: Average IQ scores for young school children are known to be 100 (SD = 15). However, the literature indicates that children’s intelligence may be decreased if their mothers have German measles during pregnancy. Using hospital records, a researcher obtained a sample of n = 25 school children whose mothers all had German measles during their pregnancies. Do the data indicate that children born to mothers who had German measles during the pregnancy have significantly lower IQ scores than typical young school children?A correlation coeffiicient of zero means two variables do not vary in a consistent way with each other. True or false?How is the “NOR score” calculated for an animal? (i.e., monkey or rat)
- The Flynn effect is well known phenomenon in psychology. It states that, when using thesame IQ test, test subjects born later generally receive higher scores than test subjects born earlier.Therefore, being born later correlates with higher IQ test scores (if the tests aren’t changed). Wouldit be correct to say that being younger causes you to have a higher IQ? Why or why not?page - Columbus State Uni X content/2622738/viewContent/50155728/View + Calculating the Value of Chi-Square Once you've defined the null hypothesis (and know what you're testing!), you can finally calculate the chi-square value based on your observed data and the expected distribution. There are many statistical software packages and free web-based applications that will automate the calculation for you, but it's important to understand the calculation to understand the meaning of the calculated value. Here, we'll walk through it using a calculation table. This is Mendel's historic data for the F2 generation of monohybrid cross for flower color. Recall that he expected to see in the F2 generation a ratio of 3 purple : 1 white. Chi-square calculation for data from a monohybrid cross with an expected 3 purple : 1 white ratio. Outcomes Observed (0) Expected (E) O-E (0-E)2 (O-E)²/E Purple White Totals 705 224 929 X²= The first step is to calculate the expected (E) values for purple and…We have explored some of the difficulties in separating the genetic and environmental components of human behavioral characteristics. Considering these difficulties and what you know about calculating heritability, propose an experimental design for accurately measuring the heritability of musical ability.
- Describe the variables that influence K+ distribution.Interpret the results for each significant predictor (i. e., explain what the coefficient is telling us).Does blood type determine your personality? In a study aimed at answering this question, a random sample of 100 adults was given a personality test, and a comparison was made between the scores on the introversion/extroversion scale and blood type (A, B, AB, О). (a) Is this an experiment, a retrospective observational study, or a prospective observational study? (b) Comment on the extent to which inferences can be drawn about a larger population and whether cause and effect can be established.
- A personality psychologist is interested if being a snob is heritable. To answer this question a personality psychologist recruits a huge sample of 2,593 identical twins and found that identical twins were similar in how snobby they were with an effect size of r=0.6. They also recruit a huge sample of 1845 fraternal twins and found that fraternal twins were also similar in how snobby they were with an effect size of r=0.4. Calculate the heritability coefficient for being a snob.With an alpha of 0.05, what fraction of results would you expect to give you a false positive? [evidence of significant difference when the distributions actually don't differ significantly] O one time out of five hundred O one time out of one hundred Oone time out of ten O one time out of five one time out of twentywhat is the Expectation and outcome of results, Logical interpretation of the dataand any errors?