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galben [10]
3 years ago
6

If a researcher was collecting data from the same group of 30 people from infancy through childhood, they would be using the ___

____ study design. a. longitudinal b. cross-sectional c. microgenetic d. experimental
Advanced Placement (AP)
1 answer:
Ede4ka [16]3 years ago
3 0

Answer:

a. longitudinal

Explanation:

A longitudinal study examines a given group over a long period of time, so collecting data from the same group of 30 people over their lifetime certainly fits that definition.  It's more like an evolution study.

A cross-sectional compares different groups at the same point in time.  So, it's more like a survey.

A microgenetic is much focused in time, providing multiple data sets in a short time to examine rapid evolution of a subject.

An experimental study design will make interactions and experiments with the study group, while this is not the case here apparently, and experimental is usually for a much shorter period than a generation.

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Reasons why school is a formal organization
kramer

Answer:

The school is defined as one of the most important- formal agency of education which plays a major role in moulding the ideas, habits and attitudes of a child with a view to produce well balanced personalities: physically strong, mentally alert, emotionally stable, culturally sound and socially efficient.

I hope it's helpful!

7 0
3 years ago
One student records information about galaxies in the chart shown below.
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d) column 2 and 3 is the correct option.

Explanation:

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2 years ago
What types of services are found in the CBD?
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If the wait time is less than 30 minutes for 75% of all patients in the emergency room, what is the probability that the
Greeley [361]

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less is 0.0020

<h3>What is probability? </h3>

Probability can be defined as the likelihood of an event to occur. In statistics, the mean of the sample distribution typically shows the probability of the population.

From the parameters given:

  • The sample size (n) = 55 patients
  • Let's assume that the mean (x) = 32 (i.e. 58.2%) of the patients

The sample proportion \mathbf{\hat p} can be computed by using the expression:

\mathbf{\hat p = \dfrac{x}{n}}

\mathbf{\hat p = \dfrac{32}{55}}

\mathbf{\hat p =0.582}

If the percentage of the probability of all patients in the emergency room = 0.75

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less can be computed as:

\mathbf{( \hat P \leq 0.582) = P \Big( \dfrac{\hat p - p}{\sqrt{\dfrac{p(1-p)}{n}}} \leq \dfrac{0.582 - 0.75}{\sqrt{\dfrac{0.75(1-0.75)}{55}}} \Big )}

\mathbf{( \hat P \leq 0.582 )= P \Big( Z \leq \dfrac{-0.168}{\sqrt{0.003409}} \Big )}

\mathbf{( \hat P \leq 0.582) = P \Big( Z \leq -2.88 \Big )}

From the Z distribution table:

\mathbf{( \hat P \leq 0.582) = 0.00198}

\mathbf{( \hat P \leq 0.582) \simeq 0.0020}

Learn more about probability here:

brainly.com/question/24756209

5 0
3 years ago
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Knowledge about the general plot of a novel one has read is probably stored in long-term memory as:
Hunter-Best [27]
The answer is: propositions 

8 0
3 years ago
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