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by BlastRoom
Who got studied, whether the measure measured anything, and what goes wrong.
#psychology
25 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A researcher surveys gym members about national exercise habits and reports the average. What is wrong with the sample?
A psychology club posts an online poll about teen stress and uses only volunteers who click the link. What sampling problem is most likely?
A sleep survey is given only to students in first-period classes, then used to describe the whole school. What is the main sampling flaw?
A city health survey calls only English-speaking landline users, then generalizes to all adults in the city. What bias is built into the sample?
A study of 90 college sophomores is used to make claims about all adults' attitudes toward work. What is the best criticism?
A researcher asks patients in a clinic waiting room about the community's overall health. What is wrong with using that sample?
A mayor surveys only residents from one wealthy neighborhood about public transportation needs. What sampling bias is most likely?
A school wants every student to have an equal chance of being surveyed. Which procedure best fits that goal?
A principal wants opinions from each grade level in proportion to its size. What sampling plan is most representative?
In survey research, what does random selection require?
A national teen survey samples schools from each region, then randomly chooses students inside those schools. Why is this stronger than a social media poll?
A bathroom scale reads exactly five pounds too heavy every time it is used. What is true of this measure?
A depression questionnaire gives the same score every week, but its items only ask about favorite colors. What is true of the measure?
A reaction-time app gives very different scores when the same person taps at the same speed. What conclusion fits best?
A final exam covers all unit objectives, and two teachers using the same rubric give nearly identical scores. What does the exam show evidence of?
What is the basic difference between reliability and validity?
A survey question is worded, 'Responsible students always study nightly, right?' and students answer consistently. What is the main measurement problem?
Students take the same personality inventory twice a month apart and get very different scores. Which property is in doubt?
Two observers score the same playground video for aggressive acts but often disagree. Which property is weakest?
An intelligence test claims to measure general reasoning but asks only vocabulary questions. Which property is most threatened?
A college-readiness test does not predict students' first-year college grades. Which property is in doubt?
Students underreport cheating on an anonymous survey because they want to look honest. Which property of the survey is most threatened?
A researcher studies 200 nurses to draw conclusions about every nurse in the state. What are the 200 nurses called?
A poll of 500 district juniors is meant to describe all 11th graders in the district. What is the population?
In a sleep study, researchers record each student's hours of sleep per night. What is 'hours of sleep' in the study?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Descriptive Statistics and Reading Data
25 questions
