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DENIUS [597]
2 years ago
14

Examples in types of experimental methods ​

Computers and Technology
2 answers:
Vlad [161]2 years ago
7 0

Answer:

Experimental research for individuals in the physical sciences and many other fields is the best-known kind of research design. The main reason is that experimental research is a typical scientific experiment, similar to that carried out in secondary schools.

Explanation:

The types of research designs are determined by how the researchers assign subjects to various conditions and groups. They are of three different types: pre-experimental, almost experimental, and real experimental research.

Pre-experimental Research Design:-

In pre-experimental research, the effect of the application of a supposedly changing independent variable is observed by either a group or different dependent groups. It is the simplest form of experimental design and does not involve a control group.

Quasi-experimental Research Design:-

The term "almost" refers to partial, half, or pseudo. The quasi-experimental research therefore resembles, but not the same, the real experimental research. The participants are not assigned randomly in quasi-examples and are therefore used in environments that are difficult or unable to randomize.

True Experimental Research Design:-

To confirm or refute a hypothesis, real experimental research is based on statistical analyses. It is the most exact experimental type and can be performed on two randomly assigned subjects with, or without a pretest.

The true experimental design of the research must include a control group, a variable that the researcher can manipulate and the distribution must be random.

Elodia [21]2 years ago
3 0

Lab Experiment

Field Experiment

Natural Experiment.

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I wiil mark brainlist ​
Darina [25.2K]
CAD is the answer you require, but it may also be Spread sheet

Hope this helped ♥︎
5 0
3 years ago
Write a telephone lookup program. Read a data set of 1,000 names and telephone numbers from a file that contains the numbers in
morpeh [17]

Answer:

See explaination

Explanation:

PhoneLookup.java

import java.io.FileReader;

import java.io.IOException;

import java.util.Scanner;

public class PhoneLookup

{

public static void main(String[] args) throws IOException

{

Scanner in = new Scanner(System.in);

System.out.println("Enter the name of the phonebook file: ");

String fileName = in.nextLine();

LookupTable table = new LookupTable();

FileReader reader = new FileReader(fileName);

table.read(new Scanner(reader));

boolean more = true;

while (more)

{

System.out.println("Lookup N)ame, P)hone number, Q)uit?");

String cmd = in.nextLine();

if (cmd.equalsIgnoreCase("Q"))

more = false;

else if (cmd.equalsIgnoreCase("N"))

{

System.out.println("Enter name:");

String n = in.nextLine();

System.out.println("Phone number: " + table.lookup(n));

}

else if (cmd.equalsIgnoreCase("P"))

{

System.out.println("Enter phone number:");

String n = in.nextLine();

System.out.println("Name: " + table.reverseLookup(n));

}

}

}

}

LookupTable.java

import java.util.ArrayList;

import java.util.Collections;

import java.util.Scanner;

/**

A table for lookups and reverse lookups

*/

public class LookupTable

{

private ArrayList<Item> people;

/**

Constructs a LookupTable object.

*/

public LookupTable()

{

people = new ArrayList<Item>();

}

/**

Reads key/value pairs.

atparam in the scanner for reading the input

*/

public void read(Scanner in)

{

while(in.hasNext()){

String name = in.nextLine();

String number = in.nextLine();

people.add(new Item(name, number));

}

}

/**

Looks up an item in the table.

atparam k the key to find

atreturn the value with the given key, or null if no

such item was found.

*/

public String lookup(String k)

{

String output = null;

for(Item item: people){

if(k.equals(item.getName())){

output = item.getNumber();

}

}

return output;

}

/**

Looks up an item in the table.

atparam v the value to find

atreturn the key with the given value, or null if no

such item was found.

*/

public String reverseLookup(String v)

{

String output = null;

for(Item item: people){

if(v.equals(item.getNumber())){

output = item.getName();

}

}

return output;

}

}

Item.java

public class Item {

private String name, number;

public Item(String aName, String aNumber){

name = aName;

number = aNumber;

}

public String getName(){

return name;

}

public String getNumber(){

return number;

}

}

input.txt

Abbott, Amy

408-924-1669

Abeyta, Ric

408-924-2185

Abrams, Arthur

408-924-6120

Abriam-Yago, Kathy

408-924-3159

Accardo, Dan

408-924-2236

Acevedo, Elvira

408-924-5200

Acevedo, Gloria

408-924-6556

Achtenhagen, Stephen

408-924-3522

Note: Replace all the "at" with at symbol

4 0
3 years ago
In 1972, earlier designers built the
Sonbull [250]

The exercise is about filling in the gaps and is related to the History of the ARPANET.

<h3>What is the History of the ARPANET?</h3>

From the text:

In 1972, earlier designers built the <u>ARPANET </u>connecting major universities. They broke communication into smaller chunks, or <u>packets </u>and sent them on a first-come, first-serve basis. The limit to the number of bytes of data that can be moved is called line capacity, or <u>bandwidth</u>.

When a network is met its capacity the user experiences <u>unwanted pauses</u>. When the network is "slowing down", what is happening is users are waiting for their packet to leave the <u>queue</u>.

To make the queues smaller, developers created <u>mixed </u>packets to move <u>simultaneously</u>.

Learn more about the ARPANET at:
brainly.com/question/16433876

7 0
2 years ago
Hello everyone. I need help. C programming. Create at least two more functions except the main () function to collect them.
Andrew [12]

Answer:

Explanation:

#include <iostream>

using namespace std;

int costdays(int);

int costhrs(int,int);

int main()

{

   int dd,hh,mm,tmph,tmpd,tmpm=0;

   int pcost,mcost=0;

   cout<<"Enter Parking time" << endl;

   cout<<"Hours: ";

   cin>>hh;

   cout<<"Minutes: ";

   cin>>mm;

   

   if (mm>60)

   {

       tmph=mm/60;

       hh+=tmph;

       mm-=(tmph*60);

   }

   if (hh>24)

   {

       tmpd=hh/24;

       dd+=tmpd;

       hh-=(tmpd*24);

   }

   if ((hh>4)&&(mm>0))

   {

       pcost+=costdays(1);

   }

   else

   {

       mcost=costhrs(hh,mm);

   }

   cout<<"Total time: ";

   if (dd>0)

   {

       cout<<dd<<"days ";

       pcost+=costdays(dd);

   }

   pcost+=mcost;

   cout<<hh<<"h "<<mm<<"mins"<<endl;

   cout<<"Total Cost :"<<pcost<<"Won";

   return 0;

}

int costdays(int dd)

{

   return(dd*25000);

}

int costhrs(int hh,int mm)

{

   int tmpm, tmp=0;

   tmp=(hh*6)*1000;

   tmp+=(mm/10)*1000;

   tmpm=mm-((mm/10)*10);

   if (tmpm>0)

   {

       tmp+=1000;

   }

   return(tmp);

}

3 0
3 years ago
Necesito 7 innovaciones tecnológicas de la informática para 2021
Sonja [21]

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3 0
2 years ago
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