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Nellie Bauch

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2y ago
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Cards in this guide (20)
Auto correlation and cross correlation

Auto correlation is the correlation of one signal with itself.

Cross correlation is the correlation of one signal with a different signal.

Can you show me a experiment

What did Dalton's experiments show

What causes change in a dependent variable

The dependent variable is dependent on the independent variable, so when the independent variable changes, so does the dependent variable.

Question-wording bias in a survey can

affect the results of the survey.

In a survey on women's attitudes toward men which of these could introduce interviewer-induced bias

If all the interviewers are men

A survey in a magazine that asks readers to return the survey would result in

voluntary-response bias.

In a survey on mens' attitudes towards women what would cause interviewer-induced bias

If all of the interviewers are women

The independent variable is associated mainly with

the treatment that the researcher controls directly.

In a survey that ased about alcohol use in high school students which of these is an important measure for controlling bias

getting a random sample from each grade level

Unlike an observational study an experiment can prove

cause and effect

The essence of an experiment as opposed to an observational study is to

change one or more factors and observe the effects

The nature versus nurture question asks

What is the interaction between genes and environment? Apex- (;

What would be your independent variable be in a experiment to see if eating breakfast increased concentration on math assignments

Breakfast

Under coverage may result from a

Convenience sample

How do you treat ice pick headaches

Ice Pick Headaches are typically treated with anti-inflammatory medications. Some patients find that taking a preventive for them will also help.

What kind of sample is taken from the entire population without a person choosing each person

Random

Apex:)

Why do areas closer to the equator have warmer air than areas farther away

the sun's radiation is concentrated in smaller area near the equator

What causes global convection currents to form

Unequal heating of earth’s surface

In an observational study researchers try not to

Influence the people in the study

Which of the following statements are true

There's no statements d u m b a s s

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