STT 200 Exam 1 2025/2026 Exam
Questions and Answers 100%
Guaranteed Success | Already Rated A+
the placebo effect - 🧠 ANSWER ✔✔treatment that gives no physiological
effect
single blind study - 🧠 ANSWER ✔✔no one in the experiment except the
researchers and evaluators know the treatment condition
double blind study - 🧠 ANSWER ✔✔no one in the experiment group knows
the treatment condition
confounding factor - 🧠 ANSWER ✔✔when the treatment and control group
differ in some respect other than the treatment
anecdotal evidence - 🧠 ANSWER ✔✔composed of unusual cases that are
recalled based on their striking characteristics
simple random sampling (SRS) - 🧠 ANSWER ✔✔each possible sample of
that size has the same probability of selection
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, cluster sampling - 🧠 ANSWER ✔✔randomly sample some clusters, then
observe all the elements in the chosen cluster
systematic sampling - 🧠 ANSWER ✔✔randomly select a fixed starting point
and then select every Kth person in the population (K is the population size
divided by the desired sample size)
convenience sampling - 🧠 ANSWER ✔✔obtained by measuring whatever
or whoever is available to be measured
selected bias - 🧠 ANSWER ✔✔occurs if the method for selecting the
participants produces a sample that does not represent the population of
interest
nonresponse bias - 🧠 ANSWER ✔✔when a representative sample is
chosen for a survey, but a subset cannot be contacted or does not
respond, the subset differs in a meaningful way
responce bias - 🧠 ANSWER ✔✔occurs when participants respond
differently from how they truly feel
categorical varibles - 🧠 ANSWER ✔✔classifies cases into groups or
categories, placing each case into exactly one or two or more categories
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Answers 100%
Guaranteed Success | Already Rated A+
the placebo effect - 🧠 ANSWER ✔✔treatment that gives no physiological
effect
single blind study - 🧠 ANSWER ✔✔no one in the experiment except the
researchers and evaluators know the treatment condition
double blind study - 🧠 ANSWER ✔✔no one in the experiment group knows
the treatment condition
confounding factor - 🧠 ANSWER ✔✔when the treatment and control group
differ in some respect other than the treatment
anecdotal evidence - 🧠 ANSWER ✔✔composed of unusual cases that are
recalled based on their striking characteristics
simple random sampling (SRS) - 🧠 ANSWER ✔✔each possible sample of
that size has the same probability of selection
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, cluster sampling - 🧠 ANSWER ✔✔randomly sample some clusters, then
observe all the elements in the chosen cluster
systematic sampling - 🧠 ANSWER ✔✔randomly select a fixed starting point
and then select every Kth person in the population (K is the population size
divided by the desired sample size)
convenience sampling - 🧠 ANSWER ✔✔obtained by measuring whatever
or whoever is available to be measured
selected bias - 🧠 ANSWER ✔✔occurs if the method for selecting the
participants produces a sample that does not represent the population of
interest
nonresponse bias - 🧠 ANSWER ✔✔when a representative sample is
chosen for a survey, but a subset cannot be contacted or does not
respond, the subset differs in a meaningful way
responce bias - 🧠 ANSWER ✔✔occurs when participants respond
differently from how they truly feel
categorical varibles - 🧠 ANSWER ✔✔classifies cases into groups or
categories, placing each case into exactly one or two or more categories
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
