Collecting Data

Ask specific questions that are filled from a large number of people.

• interviews

• surveys

• observations

• all of these

IIs a qualitative research technique where researches observe participants ongoing behavior in a natural situation.

• interview

• survey

• observation

• data collection

Determine the sampling method:

A psychologist is studying the sleep patterns of 4000 students at her university. She assigns each student a number and selects the sample by choosing every 50th number

• Stratified

• Cluster

• Convenience

• Systematic

Tags

CCSS.HSS.IC.B.3

You want to determine if people in your neighborhood like the new neighborhood website. You randomly select a neighbor from each block.

• Convenience

• Stratified

• Cluster

• Self-selected

Tags

CCSS.HSS.IC.B.3

The principal asks students at one lunch table about the quality of food.

• Stratified

• Cluster

• Convenience

• Systematic

Tags

CCSS.HSS.IC.B.3

A computer science teacher wants to know how often students at a school access the Internet. The teacher uses a sample of students from one of her computer classes.

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Would you rather watch an award winning movie or just read some book?

• Unbiased

• Biased

Tags

CCSS.RL.11-12.6

Your school principal randomly selects 5 students from each grade to complete a survey about school spirit.

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is a survey?

• process of collecting statistical data from a small group of a population

• Statistics collected from an entire population

• An element or feature that can vary

• A person chosen from a population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

An error that comes from selecting a sample that does not represent the population

• confounding variable

• sample bias

• nonresponse bias

• placebo

Tags

CCSS.HSS.IC.B.3